Vulnerability · Published May 28, 2021 · Assigned by redhat

CVE-2021-20240

High 8.8

In plain English

A high-severity security flaw in gdk-pixbuf. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.3% (higher than 84% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)2.3%top 16.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A flaw was found in gdk-pixbuf in versions before 2.42.0. An integer wraparound leading to an out of bounds write can occur when a crafted GIF image is loaded. An attacker may cause applications to crash or could potentially execute code on the victim system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12gdk-pixbuf2.42.2+dfsg-1DEBIAN-CVE-2021-20240
Debian:13gdk-pixbuf2.42.2+dfsg-1DEBIAN-CVE-2021-20240
Debian:14gdk-pixbuf2.42.2+dfsg-1DEBIAN-CVE-2021-20240

Affected products (as reported)

VendorProductVersions
n/a gdk-pixbuf gdk-pixbuf 2.42.0

Weakness: CWE-191

References