CVE-2026-116149

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

State: Published
Severity: 7.2 High
Published: Oct 25, 2026
Updated: Oct 29, 2026
Reserved: Oct 25, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	7.2 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	8.1 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H	VulnCheck

Weaknesses

CWE-121 Stack-based Buffer Overflow

Affected Products

Product	Versions
ImageMagickImageMagick	7.0.0-0 to before 7.1.2-33Affected 7.1.2-33Not affected
ImageMagickImageMagick	before 6.9.13-58Affected 6.9.13-58Not affected

References

GitHub Security Advisory (GHSA-pwpf-8799-94cj)vendor-advisory
VulnCheck Advisory: ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 Stack Buffer Overflow via bzip2 Compressed Imagesthird-party-advisory

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