Bug 2446207 (CVE-2026-23868)

Summary: CVE-2026-23868 giflib: Giflib: Double-free vulnerability leading to memory corruption
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: ahughes, fferrari, fitzsim, khosford, neugens, pjindal
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in giflib. This double-free vulnerability, caused by a shallow copy in GifMakeSavedImage and incorrect error handling, may allow an attacker to corrupt memory. While difficult to trigger, successful exploitation could potentially lead to arbitrary code execution or a denial of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2446289    
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Description OSIDB Bzimport 2026-03-10 20:01:32 UTC
Giflib contains a double-free vulnerability that is the result of a shallow copy in GifMakeSavedImage and incorrect error handling. The conditions needed to trigger this vulnerability are difficult but may be possible.