Buffer overflow in Artifex Mujs

CVE-2021-45005

Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.

Vulnerability class: Buffer Overflow

EPSS: 0.014 (69.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Artifex Mujs — versions 1.1.3
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Permissions Required, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-45005?: CVE-2021-45005 is a critical-severity vulnerability in Artifex Mujs, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-02-14.
How severe is CVE-2021-45005?: Critical severity. CVSS v3 base score is 9.8 out of 10.