Description
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).
References (2)
Core 2
Core References
Exploit, Issue Tracking, Third Party Advisory
https://github.com/cesanta/mjs/issues/240
Exploit, Third Party Advisory
https://github.com/z1r00/fuzz_vuln/blob/main/mjs/SEGV/mjs_fii2/readme.md
Scores
CVSS v3
5.5
EPSS
0.0003
EPSS Percentile
7.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-770
Status
published
Products (1)
cesanta/mjs
2.20.0
Published
Apr 24, 2023
Tracked Since
Feb 18, 2026