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

High 7.2 Published Updated
Exploited in the wild
Not known
Fix
Available

What is CVE-2026-116149?

CVE-2026-116149 is a high-severity vulnerability in ImageMagick, published on 25 Oct 2026.

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.

Weakness: CWE-121

Which versions are affected by CVE-2026-116149?

How do I fix CVE-2026-116149?

Upgrade to a fixed version.

Is CVE-2026-116149 being exploited?

There is no known exploitation of CVE-2026-116149 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2026-116149, ECHO-0403-1d25-4a3e, GHSA-pwpf-8799-94cj, GHSA-qw5p-x27m-r94r, UBUNTU-CVE-2026-116149.

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