Bug 2547461 (CVE-2026-106067)

Summary: CVE-2026-106067 GIMP: GIMP: heap buffer overflow in Hot color filter on oversized image
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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A heap-based buffer overflow was found in GIMP’s Hot color filter plug-in. For very large images, a pixel buffer is allocated using overflowing 32-bit width * height (and related) arithmetic while the filter’s pixel access path uses the true image size, after integer overflow in the allocation size
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2547464    
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Description OSIDB Bzimport 2026-10-07 14:28:00 UTC
Finding 7. plug-ins/common/hot.c, pluginCore() (~429–443, 618). Same wrapped allocation vs internal/GEGL consumer extent. ASan WRITE. Vector: apply Hot filter on oversized image (filter path, not file parser). CVSS tentative: 6.3 (AC:H).