ImageMagick v6/7 before 7.1.2-30 UAF via GetList in PerlMagick
CVE-2026-86423 Published on September 7, 2026
ImageMagick before 7.1.2-30 Heap-use-after-free via GetList
ImageMagick before 7.1.2-30 and 6.9.x before 6.9.13-55 contains a heap-use-after-free vulnerability in the GetList method of PerlMagick. A crafted call to the GetList method can trigger the use-after-free, resulting in a crash (denial of service).
Vulnerability Analysis
CVE-2026-86423 can be exploited with local system access. This vulnerability is considered to have a low 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-2026-86423 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-86423
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Affected Versions
ImageMagick:- Before 7.1.2-30 is affected.
- Version 7.1.2-30 is unaffected.
- Before 6.9.13-55 is affected.
- Version 6.9.13-55 is unaffected.