CVE-2026-56373

ImageMagick - Use-After-Free Write in PDB Decoder

CVSS 6.3 MEDIUMCWE-416

Vexday Risk Score

10Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.3EPSS —KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

10 Jul 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Affected products

ImageMagick · ImageMagick

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