Wireshark RDP Dissector Crash (4.6.04.6.4, 4.4.04.4.14) DoS/Code Exec
CVE-2026-5405 Published on April 30, 2026

Heap-based Buffer Overflow in Wireshark
RDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution

NVD

Vulnerability Analysis

CVE-2026-5405 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().


Products Associated with CVE-2026-5405

Want to know whenever a new CVE is published for Wireshark? stack.watch will email you.

Wireshark
 

Affected Versions

Wireshark Foundation Wireshark: