Bug 2547463

Summary: CVE-2026-106066 gimp: GIMP: heap buffer overflow in raw data export on oversized image dimensions [fedora-all]
Product: [Fedora] Fedora Reporter: Srikanth Balasubramanian <sbalasub>
Component: gimpAssignee: Nils Philippsen <nils>
Status: NEW --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: jridky, nils, phracek, zdohnal
Target Milestone: ---Keywords: Security, SecurityTracking
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Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["2ca26240-b3c5-45fe-bc28-3de59fcd15fd"]}
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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: 2547459    

Description Srikanth Balasubramanian 2026-10-07 14:29:26 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.

Finding 6. plug-ins/common/file-raw-data.c, export_image() (~1510–1512). PoC example W=32770, H=32768 (RGBA). ASan WRITE via gegl_buffer_iterate_read_simple. CVSS tentative: 6.3 (AC:H).