Cesanta Mjs
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By the Year
In 2025 there have been 0 vulnerabilities in Cesanta Mjs. Last year, in 2024 Mjs had 8 security vulnerabilities published. Right now, Mjs is on track to have less security vulnerabilities in 2025 than it did last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2025 | 0 | 0.00 |
| 2024 | 8 | 7.50 |
| 2023 | 8 | 6.58 |
| 2022 | 57 | 5.98 |
| 2021 | 11 | 5.50 |
| 2020 | 0 | 0.00 |
| 2019 | 0 | 0.00 |
| 2018 | 0 | 0.00 |
It may take a day or so for new Mjs vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Cesanta Mjs Security Vulnerabilities
An issue in Cesanta mjs 2.20.0
CVE-2024-35384
- May 21, 2024
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_array_length function in the mjs.c file.
An issue in Cesanta mjs 2.20.0
CVE-2024-35385
- May 21, 2024
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_mk_ffi_sig function in the mjs.c file.
An issue in Cesanta mjs 2.20.0
CVE-2024-35386
- May 21, 2024
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_do_gc function in the mjs.c file.
An issue in Cesanta mjs 2.20.0
CVE-2023-49549
7.5 - High
- January 02, 2024
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_getretvalpos function in the msj.c file.
An Out of Bounds Write in Cesanta mjs 2.20.0
CVE-2023-49552
7.5 - High
- January 02, 2024
An Out of Bounds Write in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_op_json_stringify function in the msj.c file.
Out-of-bounds Read
An issue in Cesanta mjs 2.20.0
CVE-2023-49553
7.5 - High
- January 02, 2024
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_destroy function in the msj.c file.
An issue in Cesanta mjs 2.20.0
CVE-2023-49550
7.5 - High
- January 02, 2024
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs+0x4ec508 component.
An issue in Cesanta mjs 2.20.0
CVE-2023-49551
7.5 - High
- January 02, 2024
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_op_json_parse function in the msj.c file.
Cesanta MJS 2.20.0 has a getprop_builtin_foreign out-of-bounds read if a Built-in API name occurs in a substring of an input string.
CVE-2023-50044
9.8 - Critical
- December 20, 2023
Cesanta MJS 2.20.0 has a getprop_builtin_foreign out-of-bounds read if a Built-in API name occurs in a substring of an input string.
Classic Buffer Overflow
Cesanta mjs v2.20.0 was discovered to contain a function pointer hijacking vulnerability via the function mjs_get_ptr()
CVE-2023-43338
9.8 - Critical
- September 23, 2023
Cesanta mjs v2.20.0 was discovered to contain a function pointer hijacking vulnerability via the function mjs_get_ptr(). This vulnerability allows attackers to execute arbitrary code via a crafted input.
Memory Corruption
Buffer Overflow vulnerability found in Cesanta MJS v.1.26
CVE-2023-30087
5.5 - Medium
- May 09, 2023
Buffer Overflow vulnerability found in Cesanta MJS v.1.26 allows a local attacker to cause a denial of service via the mjs_mk_string function in mjs.c.
Memory Corruption
An issue found in Cesanta MJS v.1.26
CVE-2023-30088
5.5 - Medium
- May 09, 2023
An issue found in Cesanta MJS v.1.26 allows a local attacker to cause a denial of service via the mjs_execute function in mjs.c.
Buffer Overflow
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_ffi_cb_free at src/mjs_ffi.c
CVE-2023-29570
5.5 - Medium
- April 24, 2023
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_ffi_cb_free at src/mjs_ffi.c. This vulnerability can lead to a Denial of Service (DoS).
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via ffi_cb_impl_wpwwwww at src/mjs_ffi.c
CVE-2023-29569
5.5 - Medium
- April 14, 2023
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via ffi_cb_impl_wpwwwww at src/mjs_ffi.c. This vulnerability can lead to a Denial of Service (DoS).
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via gc_sweep at src/mjs_gc.c
CVE-2023-29571
5.5 - Medium
- April 12, 2023
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via gc_sweep at src/mjs_gc.c. This vulnerability can lead to a Denial of Service (DoS).
Buffer Overflow vulnerability in Cesanta mJS 1.26
CVE-2021-36535
5.5 - Medium
- February 03, 2023
Buffer Overflow vulnerability in Cesanta mJS 1.26 allows remote attackers to cause a denial of service via crafted .js file to mjs_set_errorf.
Memory Corruption
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
CVE-2021-33441
5.5 - Medium
- July 26, 2022
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is NULL pointer dereference in exec_expr() in mjs.c.
NULL Pointer Dereference
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
CVE-2021-33449
5.5 - Medium
- July 26, 2022
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is NULL pointer dereference in mjs_bcode_part_get_by_offset() in mjs.c.
NULL Pointer Dereference
An issue was discovered in mjs(mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
CVE-2021-33448
5.5 - Medium
- July 26, 2022
An issue was discovered in mjs(mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is stack buffer overflow at 0x7fffe9049390.
Memory Corruption
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
CVE-2021-33447
5.5 - Medium
- July 26, 2022
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is NULL pointer dereference in mjs_print() in mjs.c.
NULL Pointer Dereference
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
CVE-2021-33446
5.5 - Medium
- July 26, 2022
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is NULL pointer dereference in mjs_next() in mjs.c.
NULL Pointer Dereference
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
CVE-2021-33445
5.5 - Medium
- July 26, 2022
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is NULL pointer dereference in mjs_string_char_code_at() in mjs.c.
NULL Pointer Dereference
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
CVE-2021-33444
5.5 - Medium
- July 26, 2022
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is NULL pointer dereference in getprop_builtin_foreign() in mjs.c.
NULL Pointer Dereference
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
CVE-2021-33442
5.5 - Medium
- July 26, 2022
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is NULL pointer dereference in json_printf() in mjs.c.
NULL Pointer Dereference
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
CVE-2021-33443
5.5 - Medium
- July 26, 2022
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is stack buffer overflow in mjs_execute() in mjs.c.
Memory Corruption
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
CVE-2021-33440
5.5 - Medium
- July 26, 2022
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is NULL pointer dereference in mjs_bcode_commit() in mjs.c.
NULL Pointer Dereference
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
CVE-2021-33439
5.5 - Medium
- July 26, 2022
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is Integer overflow in gc_compact_strings() in mjs.c.
Integer Overflow or Wraparound
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
CVE-2021-33438
5.5 - Medium
- July 26, 2022
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is stack buffer overflow in json_parse_array() in mjs.c.
Memory Corruption
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
CVE-2021-33437
5.5 - Medium
- July 26, 2022
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There are memory leaks in frozen_cb() in mjs.c.
Memory Leak
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow
CVE-2021-46519
7.8 - High
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_array_length at src/mjs_array.c.
Memory Corruption
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow
CVE-2021-46518
7.8 - High
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_disown at src/mjs_core.c.
Memory Corruption
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_stack_size at mjs/src/mjs_core.c
CVE-2021-46516
5.5 - Medium
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_stack_size at mjs/src/mjs_core.c. This vulnerability can lead to a Denial of Service (DoS).
Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow
CVE-2021-46513
7.8 - High
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow via mjs_mk_string at mjs/src/mjs_string.c.
Classic Buffer Overflow
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_apply at src/mjs_exec.c
CVE-2021-46512
5.5 - Medium
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_apply at src/mjs_exec.c. This vulnerability can lead to a Denial of Service (DoS).
Cesanta MJS v2.20.0 was discovered to contain a stack overflow
CVE-2021-46509
7.8 - High
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a stack overflow via snquote at mjs/src/mjs_json.c.
Stack Exhaustion
There is an Assertion `mjs_stack_size(&mjs->scopes) > 0' failed at src/mjs_exec.c in Cesanta MJS v2.20.0.
CVE-2021-46517
5.5 - Medium
- January 27, 2022
There is an Assertion `mjs_stack_size(&mjs->scopes) > 0' failed at src/mjs_exec.c in Cesanta MJS v2.20.0.
assertion failure
There is an Assertion `mjs_stack_size(&mjs->scopes) >= scopes_len' failed at src/mjs_exec.c in Cesanta MJS v2.20.0.
CVE-2021-46515
5.5 - Medium
- January 27, 2022
There is an Assertion `mjs_stack_size(&mjs->scopes) >= scopes_len' failed at src/mjs_exec.c in Cesanta MJS v2.20.0.
assertion failure
There is an Assertion 'ppos != NULL && mjs_is_number(*ppos)' failed at src/mjs_core.c in Cesanta MJS v2.20.0.
CVE-2021-46514
5.5 - Medium
- January 27, 2022
There is an Assertion 'ppos != NULL && mjs_is_number(*ppos)' failed at src/mjs_core.c in Cesanta MJS v2.20.0.
assertion failure
There is an Assertion `m->len >= sizeof(v)' failed at src/mjs_core.c in Cesanta MJS v2.20.0.
CVE-2021-46511
5.5 - Medium
- January 27, 2022
There is an Assertion `m->len >= sizeof(v)' failed at src/mjs_core.c in Cesanta MJS v2.20.0.
assertion failure
There is an Assertion `i < parts_cnt' failed at src/mjs_bcode.c in Cesanta MJS v2.20.0.
CVE-2021-46508
5.5 - Medium
- January 27, 2022
There is an Assertion `i < parts_cnt' failed at src/mjs_bcode.c in Cesanta MJS v2.20.0.
assertion failure
There is an Assertion `s < mjs->owned_strings.buf + mjs->owned_strings.len' failed at src/mjs_gc.c in Cesanta MJS v2.20.0.
CVE-2021-46510
5.5 - Medium
- January 27, 2022
There is an Assertion `s < mjs->owned_strings.buf + mjs->owned_strings.len' failed at src/mjs_gc.c in Cesanta MJS v2.20.0.
assertion failure
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow
CVE-2021-46520
7.8 - High
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_jprintf at src/mjs_util.c.
Memory Corruption
Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow
CVE-2021-46521
7.8 - High
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow via c_vsnprintf at mjs/src/common/str_util.c.
Classic Buffer Overflow
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_bcode_insert_offset at src/mjs_bcode.c
CVE-2021-46556
5.5 - Medium
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_bcode_insert_offset at src/mjs_bcode.c. This vulnerability can lead to a Denial of Service (DoS).
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_json_stringify at src/mjs_json.c
CVE-2021-46554
5.5 - Medium
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_json_stringify at src/mjs_json.c. This vulnerability can lead to a Denial of Service (DoS).
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_set_internal at src/mjs_object.c
CVE-2021-46553
5.5 - Medium
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_set_internal at src/mjs_object.c. This vulnerability can lead to a Denial of Service (DoS).
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via free_json_frame at src/mjs_json.c
CVE-2021-46550
5.5 - Medium
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via free_json_frame at src/mjs_json.c. This vulnerability can lead to a Denial of Service (DoS).
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via parse_cval_type at src/mjs_ffi.c
CVE-2021-46549
5.5 - Medium
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via parse_cval_type at src/mjs_ffi.c. This vulnerability can lead to a Denial of Service (DoS).
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via add_lineno_map_item at src/mjs_bcode.c
CVE-2021-46548
5.5 - Medium
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via add_lineno_map_item at src/mjs_bcode.c. This vulnerability can lead to a Denial of Service (DoS).
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via /usr/local/bin/mjs+0x2c17e
CVE-2021-46547
5.5 - Medium
- January 27, 2022
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via /usr/local/bin/mjs+0x2c17e. This vulnerability can lead to a Denial of Service (DoS).
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