CVE-2021-46538

MEDIUM 5.5CVE-2021-46538 · Published 27/01/2022 · updated 17/06/2026

In short

CVE-2021-46538 is a MEDIUM (CVSS 5.5) vulnerability affecting mjs (cesanta).
Chance of exploitation in the next 30 days (EPSS): 0.61%, higher than 49.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mjs cesanta	`= 2.20.0`	No fix yet

Description

Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via gc_compact_strings at src/mjs_gc.c. This vulnerability can lead to a Denial of Service (DoS).

References

cesanta/mjs · Exploit

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