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Products by Samba Sorted by Most Security Vulnerabilities since 2018

Samba139 vulnerabilities

Samba Rsync51 vulnerabilities

Samba Cifs Utils4 vulnerabilities

Samba Ppp2 vulnerabilities

Samba Volume Service1 vulnerability

Known Exploited Samba Vulnerabilities

The following Samba vulnerabilities have been marked by CISA as Known to be Exploited by threat actors.

Title Description Added
Samba Remote Code Execution Vulnerability Samba contains a remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share and then cause the server to load and execute it.
CVE-2017-7494 Exploit Probability: 99.4%
March 30, 2023

The vulnerability CVE-2017-7494: Samba Remote Code Execution Vulnerability is in the top 1% of the currently known exploitable vulnerabilities.

By the Year

In 2026 there have been 40 vulnerabilities in Samba with an average score of 7.6 out of ten. Last year, in 2025 Samba had 8 security vulnerabilities published. That is, 32 more vulnerabilities have already been reported in 2026 as compared to last year. However, the average CVE base score of the vulnerabilities in 2026 is greater by 0.63.




Year Vulnerabilities Average Score
2026 40 7.58
2025 8 6.95
2024 1 7.50
2023 21 6.60
2022 30 7.32
2021 6 7.13
2020 15 6.18
2019 14 6.73
2018 20 6.71

It may take a day or so for new Samba vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Samba Security Vulnerabilities

CVE Date Vulnerability Products
CVE-2026-70452 Aug 13, 2026
rsync 3.1.0-3.4.x DNS Bypass: Host Blocking Skipped on Lookup Failure rsync 3.1.0 before 3.5.0 contains an access control bypass vulnerability that allows remote attackers to circumvent hosts deny rules by inducing DNS resolution failures during hostname-based access control evaluation. When a DNS lookup for a hostname-based deny rule fails, the daemon skips the rule rather than defaulting to a deny decision, enabling attackers who can trigger DNS failures to bypass module-level IP access controls and gain unauthorized access to restricted module file trees.
Rsync
CVE-2026-70453 Aug 13, 2026
rsync <3.5.0 DOS via hash_search algorithmic complexity rsync before 3.5.0 contains an algorithmic complexity vulnerability in the hash_search() function that allows a remote attacker to cause a denial of service by delivering a carefully constructed file list. A sender can exploit the quadratic-time worst-case behavior in hash lookups to exhaust receiver CPU resources with a modest number of crafted entries, causing a sustained denial of service.
Rsync
CVE-2026-70454 Aug 13, 2026
rsync TLS Cert Validation Fails 3.2.03.2.3, 3.4.4 (OpenSSL/Stunnel) rsync 3.2.0 through 3.2.3 (openssl mode) and rsync-ssl through 3.4.4 (stunnel mode) contain a TLS certificate validation vulnerability that allows on-path attackers to intercept encrypted sessions by presenting self-signed or otherwise invalid certificates. Attackers can exploit the failure to validate server TLS certificates against a trusted CA or verify certificate hostname matching to decrypt or tamper with rsync session content without detection by the client.
Rsync
CVE-2026-70455 Aug 13, 2026
rsync 3.4.2<3.5.0 DDoS via --zt Zstd thread abuse rsync 3.4.2 before 3.5.0 contains a denial of service vulnerability that allows a remote sender to exhaust system resources by specifying the --zt short alias for --compress-threads, which bypasses the refuse options directive's string matching on long option names. Attackers can specify --zt=N with a large value to spawn an unbounded number of Zstandard worker threads on the receiver, exhausting available thread and memory resources.
Rsync
CVE-2026-70456 Aug 13, 2026
rsync OOB Write in read_args() 3.0.1<3.5.0 rsync 3.0.1 before 3.5.0 contains an out-of-bounds write vulnerability in the read_args() function that allows a malicious sender to corrupt adjacent heap memory by sending a crafted argument list. When the argument count causes the argv allocation to be exactly full, the trailing NULL terminator is written one slot beyond the allocation boundary, corrupting adjacent heap memory.
Rsync
CVE-2026-70457 Aug 13, 2026
rsync 3.x OOB write in parse_size_arg before 3.5.0 rsync 3.2.3 before 3.5.0 contains an out-of-bounds write in parse_size_arg() where the return value of snprintf() is used directly as an index into a .bss-segment array without bounds checking. When snprintf truncates the formatted size string, the return value equals the number of characters that would have been written including the truncated portion, and this value may exceed the array length. The subsequent indexed write targets memory outside the intended array bounds, corrupting .bss memory.
Rsync
CVE-2026-70458 Aug 13, 2026
rsync <3.5.0: OOB Write via HLINK_BUMP (missing F_SUM) rsync 3.0.0 before 3.5.0 contains an out-of-bounds write vulnerability that allows attackers to corrupt memory by triggering HLINK_BUMP processing on file entries with the FLAG_HLINKED flag set while the hard-link preservation option is inactive. Attackers can exploit the missing F_SUM field in the file_struct layout to access memory past the end of the allocated structure, corrupting adjacent heap or stack data.
Rsync
CVE-2026-70459 Aug 13, 2026
rsync <3.5.0 Null Pointer Deref in child daemon via dot entry rsync 3.0.0 before 3.5.0 contains a null pointer dereference vulnerability in the daemon child process that allows remote attackers to crash the daemon by sending a file list whose first entry is a dot entry not typed as a directory. The daemon dereferences the first file list entry as a directory structure pointer without verifying the entry type, resulting in an invalid or uninitialized pointer dereference that terminates the client connection.
Rsync
CVE-2026-70460 Aug 13, 2026
rsync 2.3.3-3.5.0 Path Traversal via --partial-dir/--backup-dir symlinks rsync 2.3.3 before 3.5.0 contains a path traversal vulnerability that allows a malicious sender to escape the module root by exploiting symlinks within the module file tree when using --partial-dir or --backup-dir options. Attackers with write access to place a symlink under the module root, or who can exploit a pre-existing trusted symlink, can direct file writes to locations outside the intended module root, achieving arbitrary file write relative to the module root parent.
Rsync
CVE-2026-70461 Aug 13, 2026
Rsync 3.2.53.4.9: Heap OOB Write via files-from rsync 3.2.5 before 3.5.0 contains a heap out-of-bounds write vulnerability that allows remote unauthenticated attackers to write one attacker-controlled byte past the end of a heap allocation by supplying a crafted files-from entry. Attackers can trigger the vulnerability against a read-only rsync daemon module by providing a files-from entry containing both an interior and trailing backslash, causing the add_implied_include() function to under-count the trailing backslash when sizing the destination buffer.
Rsync
CVE-2026-70462 Aug 13, 2026
Signed Int Overflow in rsync 3.1.0-<3.5.0 I/O Timeout Resource Exhaustion rsync 3.1.0 before 3.5.0 contains a signed integer overflow vulnerability in the I/O timeout implementation that allows attackers to permanently disable connection timeouts by injecting MSG_IO_TIMEOUT messages carrying non-positive (zero or negative) values. Attackers can craft malicious MSG_IO_TIMEOUT messages that cause the timeout variable to wrap to a non-positive value, preventing the timeout check from firing and enabling idle or stalled connections to hold daemon slots indefinitely, leading to resource exhaustion.
Rsync
CVE-2026-70463 Aug 13, 2026
rsync 3.1.0-3.4.x Auth Users Bypass via @Group Name Parsing rsync 3.1.0 before 3.5.0 contains an authorization bypass in auth users directive parsing. The auth users parser uses comma-only tokenization when splitting the user list, which fails to correctly handle entries of the form @Group Name where the group name contains a space. The space within the group name causes the parser to split the entry at the space boundary, discarding the deny rule associated with the group. An authenticated user whose username or group membership would be denied by an @Group Name auth users entry can connect to a restricted module because the deny rule is silently discarded during parsing.
Rsync
CVE-2026-70464 Aug 13, 2026
DoS via connection slot exhaustion in rsync 2.0.03.5.0 rsync daemon 2.0.0 before 3.5.0 contains a denial of service vulnerability that allows unauthenticated remote attackers to exhaust daemon connection slots by stalling the handshake process before or after module selection without triggering the I/O timeout. Attackers can open many simultaneous connections and trickle data at the minimum rate to avoid timeout, or stall entirely before module selection where no timeout applies, consuming all available connection slots and denying service to legitimate clients.
Rsync
CVE-2026-53801 Aug 13, 2026
rsync <3.5.0 Symlink Race in Sender Directory Scanning rsync before 3.5.0 contains a symlink race condition vulnerability in the sender's directory scanning logic that allows attackers to cause the sender to enumerate and transfer files outside the module root's intended subtree. Attackers who can create or manipulate symlinks in a path component of the scanned tree can replace a symlink with a directory entry pointing outside the module root between the lstat() call and the subsequent opendir() call, exposing files beyond the intended root in both daemon-mode and non-daemon sender-side scanning.
Rsync
CVE-2026-53800 Aug 13, 2026
rsync <=3.5.0 symlink race in --remove-source-files cause arbitrary file deletion rsync before 3.5.0 contains a symlink race condition vulnerability in the --remove-source-files feature that allows attackers with symlink creation access to cause arbitrary file deletion. Attackers can atomically substitute a symlink for a source file between transfer completion and the unlink() call, causing rsync to delete the symlink target rather than the intended source file.
Rsync
CVE-2026-53799 Aug 13, 2026
Rsync <3.5.0 Symlink Race Condition Enables Local Privilege Escalation rsync before 3.5.0 contains a symlink race condition vulnerability that allows local attackers to cause rsync to apply arbitrary ACLs or extended attributes to unintended files by substituting a symlink at a predictable destination path between the file write and the subsequent acl_set_file() or lsetxattr() call. Attackers can exploit this timing window to redirect ACL and xattr application through a crafted symlink to files outside the intended destination tree, potentially granting elevated permissions and enabling local privilege escalation.
Rsync
CVE-2026-53797 Aug 13, 2026
rsync <3.5.0 Symlink Race: File Disclosure via Parent Directory Manipulation rsync before 3.5.0 contains a symlink race condition vulnerability in the sender's source tree traversal that allows an attacker who can manipulate a parent directory of the source tree to redirect file reads to unintended paths. Attackers can atomically replace a parent directory component with a symlink pointing outside the source root between path resolution and file open operations to disclose file contents outside the intended transfer root.
Rsync
CVE-2026-53796 Aug 13, 2026
rsync<3.5.0 TOCTOU in nondaemon receiver destdir handling rsync before 3.5.0 contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability in the non-daemon receiver's destination directory handling that allows an attacker who can manipulate destination path parent components to redirect file writes to unintended locations. Attackers can substitute a symlink for a component of the destination path between the path resolution and chdir() call, causing the receiver's working directory to be established outside the intended destination tree so that subsequent relative-path file writes land in unintended filesystem locations.
Rsync
CVE-2026-53795 Aug 13, 2026
rsync <3.5.0 Arbitrary File Write via --temp-dir / --link-dest (Rename Bypass) rsync before 3.5.0 contains an arbitrary file write vulnerability that allows attackers to write files outside the intended destination tree by specifying an absolute path via --temp-dir or --link-dest options. The rename-confinement logic is bypassed when these options resolve to paths outside the destination tree, enabling attacker-controlled values to write files to arbitrary locations accessible to the rsync process.
Rsync
CVE-2026-53794 Aug 13, 2026
rsync <3.5.0 --max-alloc Logic Error Enables Unlimited Allocation & DoS rsync before 3.5.0 contains a logic error in --max-alloc handling that allows a sender or configuration setting --max-alloc=0 to disable allocation sanity checks entirely rather than enforcing a zero-byte cap. Attackers can exploit this flaw to cause the receiver to attempt unbounded memory allocations for file list and data structures, potentially exhausting available memory and causing a denial of service.
Rsync
CVE-2026-53793 Aug 13, 2026
rsync <3.5.0 Path Confinement Bypass via /./ Module Root Marker rsync before 3.5.0 contains a path confinement bypass vulnerability that allows remote clients to escape the intended inner-module root confinement by constructing paths that resolve outside the chroot boundary when the module root contains a /./ boundary marker. Attackers can exploit improper handling of the /./ notation or forge delta-basis transfers referencing xname paths that cross the /./ boundary to gain unauthorized read or write access to files outside the module's subtree.
Rsync
CVE-2026-53792 Aug 13, 2026
Rsync <3.5.0 OOB Read via Zero-Checksum Block rsync before 3.5.0 contains an out-of-bounds read vulnerability in the sender-side block matching logic that allows a malicious receiver to trigger memory access before the start of an allocated buffer by sending a crafted checksum block with a length of zero. Attackers can send a specially crafted checksum set containing a zero-length block to cause a negative offset calculation during delta computation, resulting in an out-of-bounds read of file data buffer memory on the sender side.
Rsync
CVE-2026-53791 Aug 13, 2026
IP Spoofing via PROXY header in rsync daemon <3.5.0 rsync daemon before 3.5.0 contains an IP address spoofing vulnerability that allows unauthenticated remote attackers to bypass IP-based access controls by sending a crafted PROXY protocol header with a forged source address. Attackers who can connect directly to the rsync daemon can inject a spoofed source IP in the PROXY protocol header to circumvent hosts allow/deny rules, gaining unauthorized access that would otherwise be blocked based on their real source address.
Rsync
CVE-2026-53790 Aug 13, 2026
rsync <3.5.0 Command & Argument Injection via ENV & Hooks rsync before 3.5.0 contains multiple command and argument injection vulnerabilities that allow attackers to execute arbitrary commands by supplying malicious input through several code paths, including the RSYNC_CONNECT_PROG environment variable, daemon hooks, the rsync-ssl wrapper, and remote-shell command newline injection. Attackers can inject shell metacharacters or newline characters into unsanitized user-supplied values such as hostnames and hostspecs to execute arbitrary commands under the privileges of the rsync process or the invoking user.
Rsync
CVE-2026-53789 Aug 13, 2026
rsync 3.5.0 Improper Path Handling in --delete (CVE-2026-53789) rsync before 3.5.0 contains an improper path handling vulnerability that allows a malicious sender to expand the scope of --delete operations beyond the intended destination subtree by sending a crafted file list that causes rsync to reclassify implied parent directory entries or treat synthetic paths as the transfer root. Attackers can exploit multiple variants including implied parent reclassification, synthetic root path construction, legacy protocol behavior below version 30, and non-directory root handling to cause the receiver to delete files outside the authorized destination directory.
Rsync
CVE-2026-53788 Aug 13, 2026
rsync <=3.5.0 Newline Injection in Name-Converter UID/GID Mapping rsync before 3.5.0 contains a newline injection vulnerability in the name-converter uid/gid mapping interface that allows local attackers to forge protocol messages by creating user or group names containing newline characters. Attackers can inject malicious newline characters into names communicated over the pipe-based line-oriented protocol to cause the rsync daemon to process attacker-influenced data as legitimate protocol input, corrupting uid/gid mapping logic.
Rsync
CVE-2026-53798 Aug 13, 2026
Rsync pre-3.5.0 Priv Conf in name-conv uid/gid mapping root file ownership rsync before 3.5.0 contains a privilege confusion vulnerability in the name-converter subprocess uid/gid mapping that allows local attackers to cause transferred files to be owned by root by influencing name-converter responses to return empty values. When the name-converter subprocess returns an empty response for a uid or gid lookup, rsync incorrectly interprets it as a successful resolution to uid/gid 0 (root) rather than a lookup failure, and if the name-converter also signals fake super-user status, rsync proceeds with root ownership assignments for transferred files.
Rsync
CVE-2026-53786 Aug 13, 2026
rsync <3.5.0 Filter Bypass via --filter Merge File Directives rsync before 3.5.0 contains a filter rule bypass vulnerability that allows authenticated clients to override module-level filter restrictions by supplying malicious --filter merge file directives. Attackers can inject client-side merge file directives during filter evaluation to introduce rules that supersede daemon module-level restrictions, gaining access to files the module filter was intended to exclude.
Rsync
CVE-2026-53785 Aug 13, 2026
Rsync 3.5.0 Path Traversal via Symlink in --relative Mode rsync before 3.5.0 contains a path traversal vulnerability that allows a malicious sender to write files outside the intended destination directory tree by crafting relative paths with symlink components in --relative mode. The make_path() function follows symlinks pointing outside the destination tree while creating intermediate directories without verifying that created paths remain within the destination boundary, enabling arbitrary file writes on the receiver's filesystem.
Rsync
CVE-2026-53784 Aug 13, 2026
RSync Path Traversal via Symlinked Module Root (<3.5.0) rsync before 3.5.0 contains a path traversal vulnerability that allows remote clients to access files outside the intended module root when use chroot is disabled and the module root path or a component of it is a symlink. The daemon calls chdir() to the module root at session initialization without resolving symlinks via realpath() or equivalent, causing subsequent relative-path operations to reference files relative to the symlink target rather than the intended module root, enabling unauthorized file access.
Rsync
CVE-2026-53783 Aug 13, 2026
rsync 3.5.0 rrsync TOCTOU: symlink escape & unsafe flag abuse rsync before 3.5.0 contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability in the rrsync restricted shell wrapper that allows authenticated clients to escape enforced directory restrictions by substituting a symlink for a path component after validation but before transfer processing. Attackers can additionally leverage unrestricted flags such as --copy-unsafe-links, -D, and --log-file through rrsync to read or write files outside the permitted directory subtree.
Rsync
CVE-2026-53803 Aug 13, 2026
rsync <3.5.0 Symlink Following Allows Local Privilege Escalation rsync before 3.5.0 contains a symlink following vulnerability that allows local attackers to overwrite arbitrary files by placing a symlink at a predictable output path such as --log-file, --write-batch, or daemon-mode log and statistics paths. Attackers can exploit rsync's failure to reject symlinks during ancillary file writes to redirect output to arbitrary filesystem locations, achieving local privilege escalation on installations where rsync runs with elevated privileges such as setuid or privileged daemon configurations.
Rsync
CVE-2026-53802 Aug 13, 2026
Arbitrary File Read in rsync <3.5.0 via symlink handling rsync before 3.5.0 contains an arbitrary file read vulnerability that allows attackers to read files accessible to the rsync daemon process by exploiting symlink following in input configuration file handling including --files-from, --password-file, and filter merge files. Attackers can place a symlink at a predictable --files-from or --password-file path, or supply a --files-from path that escapes the daemon module root, to read arbitrary files accessible to the rsync process.
Rsync
CVE-2026-29518 May 20, 2026
Rsync <=3.4.3 TOCTOU Race Allows Arbitrary File Write/Privilege Escalation Rsync versions before 3.4.3 contain a time-of-check to time-of-use (TOCTOU) race condition in daemon file handling that allows attackers to redirect file writes outside intended directories by replacing parent directory components with symbolic links. Attackers with write access to a module path can exploit this race condition to create or overwrite arbitrary files, potentially modifying sensitive system files and achieving privilege escalation when the daemon runs with elevated privileges. This vulnerability can only be triggered if the chroot setting is false.
Rsync
CVE-2026-43617 May 20, 2026
Rsync Hostname-based ACL bypass <3.4.3: Auth bypass via PTR Rsync version 3.4.2 and prior contain an authorization bypass vulnerability in the rsync daemon's hostname-based access control list enforcement when configured with chroot. Attackers can bypass hostname-based deny rules by controlling the PTR record for their source IP address, allowing connections from hostnames that administrators intended to deny when reverse DNS resolution fails and defaults to UNKNOWN.
Rsync
CVE-2026-43618 May 20, 2026
Rsync 3.4.2 and earlier Integer Overflow in compressed-token decoder Rsync version 3.4.2 and prior contain an integer overflow vulnerability in the compressed-token decoder where a 32-bit signed counter is not checked for overflow, allowing a malicious sender to trigger an overflow that causes the receiver process to read and return data from outside the intended buffer bounds. Attackers can exploit this vulnerability to disclose process memory contents including environment variables, passwords, heap and stack data, and library memory pointers, significantly reducing ASLR effectiveness and facilitating further exploitation.
Rsync
CVE-2026-43619 May 20, 2026
rsync 3.4.2 and earlier Symlink Race Condition in Path-based Syscalls Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes, rename, unlink, mkdir, symlink, mknod, link, rmdir, and lstat that allow local attackers to redirect operations to files outside the exported rsync module. Attackers with local filesystem access can exploit the timing window between path resolution and syscall execution by swapping symlinks to apply sender-supplied permissions, ownership, timestamps, or filenames to arbitrary files outside the intended module boundary on rsync daemons configured with 'use chroot = no'.
Rsync
CVE-2026-43620 May 20, 2026
Rsync <3.4.3: Receiver-side OOB array read crash via CF_INC_RECURSE Rsync version 3.4.2 and prior contain a receiver-side out-of-bounds array read vulnerability in recv_files() in receiver.c that allows a malicious rsync server to crash the rsync client process. Attackers can exploit the vulnerability by setting CF_INC_RECURSE in compatibility flags and sending a specially crafted file list where the first sorted entry is not the leading dot directory, followed by a transfer record with ndx=0 and an iflag word without ITEM_TRANSFER, causing the receiver to read 8 bytes before the allocated pointer array and dereference an invalid pointer at an unmapped address, resulting in a deterministic SIGSEGV crash of the rsync client.
Rsync
CVE-2026-45232 May 20, 2026
Rsync <3.4.3: OOB stack write in establish_proxy_connection() Rsync versions before 3.4.3 contain an off-by-one out-of-bounds stack write vulnerability in the establish_proxy_connection() function in socket.c that allows network attackers to corrupt stack memory by sending a malformed HTTP proxy response. Attackers can exploit this by positioning themselves between the client and proxy or controlling the proxy server to send a response line of 1023 or more bytes without a newline terminator, causing a null byte to be written to an out-of-bounds stack address when the RSYNC_PROXY environment variable is set.
Rsync
CVE-2026-41035 Apr 16, 2026
rsync 3.0.13.4.1 Receiver UAF in receive_xattr (qsort untrusted len) In rsync 3.0.1 through 3.4.1, receive_xattr relies on an untrusted length value during a qsort call, leading to a receiver use-after-free. The victim must run rsync with -X (aka --xattrs). On Linux, many (but not all) common configurations are vulnerable. Non-Linux platforms are more widely vulnerable.
Rsync
CVE-2025-10230 Nov 07, 2025
Samba WINS Hook RCE via Unvalidated NetBIOS Names A flaw was found in Samba, in the front-end WINS hook handling: NetBIOS names from registration packets are passed to a shell without proper validation or escaping. Unsanitized NetBIOS name data from WINS registration packets are inserted into a shell command and executed by the Samba Active Directory Domain Controllers wins hook, allowing an unauthenticated network attacker to achieve remote command execution as the Samba process.
Samba
CVE-2025-9640 Oct 15, 2025
Samba vfs_streams_xattr Heap LE Leading to ID Disclosure A flaw was found in Samba, in the vfs_streams_xattr module, where uninitialized heap memory could be written into alternate data streams. This allows an authenticated user to read residual memory content that may include sensitive data, resulting in an information disclosure vulnerability.
Samba
CVE-2025-0620 Jun 06, 2025
Samba smbd Group Membership Flaw Exposes Shares A flaw was found in Samba. The smbd service daemon does not pick up group membership changes when re-authenticating an expired SMB session. This issue can expose file shares until clients disconnect and then connect again.
Samba
CVE-2024-12084 Jan 15, 2025
rsync Daemon Heap Bof via Checksum Length Overrun A heap-based buffer overflow flaw was found in the rsync daemon. This issue is due to improper handling of attacker-controlled checksum lengths (s2length) in the code. When MAX_DIGEST_LEN exceeds the fixed SUM_LENGTH (16 bytes), an attacker can write out of bounds in the sum2 buffer.
Rsync
CVE-2024-12086 Jan 14, 2025
Rsync Server Remote File Enumeration via Checksum Exploit A flaw was found in rsync. It could allow a server to enumerate the contents of an arbitrary file from the client's machine. This issue occurs when files are being copied from a client to a server. During this process, the rsync server will send checksums of local data to the client to compare with in order to determine what data needs to be sent to the server. By sending specially constructed checksum values for arbitrary files, an attacker may be able to reconstruct the data of those files byte-by-byte based on the responses from the client.
Rsync
CVE-2024-12087 Jan 14, 2025
Path traversal in rsync via --inc-recursive option A path traversal vulnerability exists in rsync. It stems from behavior enabled by the `--inc-recursive` option, a default-enabled option for many client options and can be enabled by the server even if not explicitly enabled by the client. When using the `--inc-recursive` option, a lack of proper symlink verification coupled with deduplication checks occurring on a per-file-list basis could allow a server to write files outside of the client's intended destination directory. A malicious server could write malicious files to arbitrary locations named after valid directories/paths on the client.
Rsync
CVE-2024-12085 Jan 14, 2025
Rsync: Checksum Length Manipulation Enables Stack Data Leak A flaw was found in rsync which could be triggered when rsync compares file checksums. This flaw allows an attacker to manipulate the checksum length (s2length) to cause a comparison between a checksum and uninitialized memory and leak one byte of uninitialized stack data at a time.
Rsync
CVE-2024-12088 Jan 14, 2025
Rsync --safe-links Path Traversal, Arbitrary File Write A flaw was found in rsync. When using the `--safe-links` option, the rsync client fails to properly verify if a symbolic link destination sent from the server contains another symbolic link within it. This results in a path traversal vulnerability, which may lead to arbitrary file write outside the desired directory.
Rsync
CVE-2020-25720 Nov 17, 2024
Samba Active Directory Object Creation Privilege Escalation Vulnerability A vulnerability was found in Samba where a delegated administrator with permission to create objects in Active Directory can write to all attributes of the newly created object, including security-sensitive attributes, even after the object's creation. This issue occurs because the administrator owns the object due to the lack of an Access Control List (ACL) at the time of creation and later being recognized as the 'creator owner.' The retained significant rights of the delegated administrator may not be well understood, potentially leading to unintended privilege escalation or security risks.
Samba
CVE-2023-46768 Nov 08, 2023
Samba idmap Multi-threading Race Causing Feature Abuse Multi-thread vulnerability in the idmap module. Successful exploitation of this vulnerability may cause features to perform abnormally.
Samba
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