Bug 2547456 (CVE-2026-106065)

Summary: CVE-2026-106065 GIMP: GIMP: heap buffer overflow in PCX export on oversized image dimensions
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 PCX export plug-in. For images with extremely large width and height, buffer allocation uses overflowing 32-bit width * height arithmetic while subsequent GEGL operations use the full extent, after integer overflow in size calculation
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2547457    
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Description OSIDB Bzimport 2026-10-07 14:16:35 UTC
Finding 5. plug-ins/common/file-pcx.c, export_image() (~1192–1195). SIGSEGV/heap WRITE on export. CVSS tentative: 6.3 (AC:H).