Buffer overflow in Artifex Mujs

CVE-2022-44789

A logical issue in O_getOwnPropertyDescriptor() in Artifex MuJS 1.0.0 through 1.3.x before 1.3.2 allows an attacker to achieve Remote Code Execution through memory corruption, via the loading of a crafted JavaScript file.

Vulnerability class: Buffer Overflow

EPSS: 0.022 (80.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-44789?
CVE-2022-44789 is a high-severity vulnerability in Artifex Mujs, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2022-11-23.
How severe is CVE-2022-44789?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2022-44789 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.