Vulnerability · Published Jul 13, 2021 · Assigned by mitre

CVE-2020-22886

High 7.5

In plain English

A high-severity security flaw 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 1.6% (higher than 75% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.6%top 24.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Buffer overflow vulnerability in function jsG_markobject in jsgc.c in mujs before 1.0.8, allows remote attackers to cause a denial of service.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12mujs1.0.9-1DEBIAN-CVE-2020-22886
Debian:13mujs1.0.9-1DEBIAN-CVE-2020-22886
Debian:14mujs1.0.9-1DEBIAN-CVE-2020-22886
Ubuntu:22.04:LTSmujs1.1.3-3UBUNTU-CVE-2020-22886
Ubuntu:24.04:LTSmujs1.3.3-3build2UBUNTU-CVE-2020-22886

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References