Vulnerability · Published Oct 25, 2026 · Assigned by VulnCheck

CVE-2026-116149ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 Stack Buffer Overflow via bzip2 Compressed Images

High 8.1

In plain English

A high-severity stack buffer overflow in ImageMagick from ImageMagick. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.4%top 70.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 contains a stack-based buffer overflow in the handling of bzip2 compressed images. Attackers can supply a crafted image using bzip2 compression to overwrite stack memory during decoding, causing crashes or memory corruption.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12imagemagick8:6.9.11.60+dfsg-1.6+deb12u15DEBIAN-CVE-2026-116149
Debian:13imagemagick8:7.1.1.43+dfsg1-1+deb13u14DEBIAN-CVE-2026-116149
Debian:14imagemagick8:7.1.2.33+dfsg1-1DEBIAN-CVE-2026-116149
Ubuntu:26.10imagemagickno fix listedUBUNTU-CVE-2026-116149

Affected products (as reported)

VendorProductVersions
ImageMagick ImageMagick 7.0.0-0 – before 7.1.2-33
ImageMagick ImageMagick 0 – before 6.9.13-58

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

References