Bug 2529520

Summary: CVE-2026-86424 ImageMagick: ImageMagick: Local attacker can modify files via TOCTOU symlink race [epel-all]
Product: [Fedora] Fedora EPEL Reporter: Laura Pardo <lpardo>
Component: ImageMagickAssignee: Luya Tshimbalanga <luya_tfz>
Status: NEW --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: low Docs Contact:
Priority: low    
Version: epel10CC: blaise, davide, epel-packagers-sig, fedora, luya_tfz, michel, ngompa13, pampelmuse
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["eff4f8d8-d8da-44bd-8ca9-389108757f19"]}
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On:    
Bug Blocks: 2529434    

Description Laura Pardo 2026-09-07 15:58:24 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

ImageMagick before 7.1.2-30 and 6.9.13-55 contains a time-of-check-time-of-use (TOCTOU) vulnerability in the video decoder that allows attackers to bypass path policy write restrictions via symlink swaps. An attacker can replace a symlink between policy validation (check-time) and the file write operation (use-time) to write to policy-denied locations.