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MJ
Product
mJS
by Cesanta · last CVE Sep 8, 2026
85
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Vulnerabilities85In the news0Timeline
Severity mix
Critical 2High 19Medium 64Low 0
Severity
All severities85Critical2High19Medium64Low0
Exploitation
On CISA KEV0Exploited in the wild0
Watch

Add mJS to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2021-46527
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_get_cstring at src/mjs_string.c
Affected: 2.20.0
CVE-2021-46526
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow via snquote at src/mjs_json.c
Affected: 2.20.0
CVE-2021-46525
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap-use-after-free via mjs_apply at src/mjs_exec.c
Affected: 2.20.0
CVE-2021-46524
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via snquote at mjs/src/mjs_json.c
Affected: 2.20.0
CVE-2021-46523
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via to_json_or_debug at mjs/src/mjs_json.c
Affected: 2.20.0
CVE-2021-46522
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via /usr/lib/x86_64-linux-gnu/libasan.so.4+0xaff53
Affected: 2.20.0
CVE-2021-46521
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow via c_vsnprintf at mjs/src/common/str_util.c
Affected: 2.20.0
CVE-2021-46520
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_jprintf at src/mjs_util.c
Affected: 2.20.0
CVE-2021-46519
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_array_length at src/mjs_array.c
Affected: 2.20.0
CVE-2021-46518
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_disown at src/mjs_core.c
Affected: 2.20.0
CVE-2021-46513
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow via mjs_mk_string at mjs/src/mjs_string.c
Affected: 2.20.0
CVE-2021-46509
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a stack overflow via snquote at mjs/src/mjs_json.c
Affected: 2.20.0
CVE-2024-35386
7.5
1%
May 21
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
Affected: 2.20.0
CVE-2023-49553
7.5
1%
Jan 2
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
Affected: 2.20.0
CVE-2023-49552
7.5
1%
Jan 2
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
Affected: 2.20.0
CVE-2023-49551
7.5
1%
Jan 2
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
Affected: 2.20.0
CVE-2023-49550
7.5
1%
Jan 2
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs+0x4ec508 component
Affected: 2.20.0
CVE-2023-49549
7.5
1%
Jan 2
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
Affected: 2.20.0
CVE-2026-86716
7.3
1%
Sep 8
Cesanta mJS mjs_tok.c skip_spaces_and_comments heap-based overflow
Affected: 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; +21 more
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