Vulnerability · Published Nov 23, 2022 · Assigned by mitre

CVE-2022-44789

High 8.8

In plain English

A high-severity out-of-bounds write in the mujs package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.5% (higher than 85% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)2.5%top 15.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12mujs1.3.2-1DEBIAN-CVE-2022-44789
Debian:13mujs1.3.2-1DEBIAN-CVE-2022-44789
Debian:14mujs1.3.2-1DEBIAN-CVE-2022-44789

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References