CVE-2026-56373

Description

ImageMagick before 7.1.2-15 contains a use-after-free vulnerability in the PDB decoder that uses a stale pointer when memory allocation fails. Attackers can trigger this vulnerability by processing malicious PDB files to cause crashes or write a single zero byte to freed memory.

CVSS Vector

References

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-3j4x-rwrx-xxj9
• https://www.vulncheck.com/advisories/imagemagick-use-after-free-write-in-pdb-decoder