Use After Free in Artifex Mujs

CVE-2020-24343

Artifex MuJS through 1.0.7 has a use-after-free in jsrun.c because of unconditional marking in jsgc.c.

Vulnerability class: Use-After-Free

EPSS: 0.008 (52.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Artifex Mujs
N/a — versions n/a

Weakness classification (CWE)

CWE-416 — Use After Free

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2020-24343?: CVE-2020-24343 is a high-severity vulnerability in Artifex Mujs, classified under Use After Free. CVSS score: 7.8/10. Published 2020-08-13.
How severe is CVE-2020-24343?: High severity. CVSS v3 base score is 7.8 out of 10.