ImageMagick use-after-free in PDB decoder before 7.1.2-15
CVE-2026-56373 Published on July 10, 2026
ImageMagick - Use-After-Free Write in PDB Decoder
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.
Vulnerability Analysis
CVE-2026-56373 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-56373 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-56373
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Affected Versions
ImageMagick:- Before 7.1.2-15 is affected.
- Version 7.1.2-15 is unaffected.
- Before 6.9.13-40 is affected.
- Version 6.9.13-40 is unaffected.