Bug 2491711 (CVE-2026-56371)

Summary: CVE-2026-56371 ImageMagick: ImageMagick: Denial of Service due to memory leak in TXT file processing
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Doc Text:
A memory leak flaw was found in ImageMagick. Processing specially crafted TXT files with malicious texture attributes can exhaust system memory, allowing an attacker to cause a Denial of Service (DoS).
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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: 2492083, 2492084    
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Description OSIDB Bzimport 2026-06-23 13:02:17 UTC 
ImageMagick before 7.1.2-15 and 6.9.13-40 contains a memory leak in coders/txt.c when processing TXT files with texture attributes: the texture object allocated via ReadImage is not released when GetTypeMetrics fails, leaking memory each time a crafted TXT file with a texture attribute is processed.