Bug 2452517 (CVE-2026-4985)

Summary: CVE-2026-4985 cgif: dloebl CGIF: Denial of Service via integer overflow in GIF image handling
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in dloebl CGIF, a GIF image handler component. A remote attacker could exploit an integer overflow vulnerability by manipulating the width or height arguments when adding a frame. This could lead to a denial of service (DoS), making the affected system or application unavailable.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2452785    
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Description OSIDB Bzimport 2026-03-27 22:02:50 UTC 
A vulnerability was identified in dloebl CGIF up to 0.5.2. This vulnerability affects the function cgif_addframe of the file src/cgif.c of the component GIF Image Handler. The manipulation of the argument width/height leads to integer overflow. The attack may be initiated remotely. The identifier of the patch is b0ba830093f4317a5d1f345715d2fa3cd2dab474. It is suggested to install a patch to address this issue. VulDB is the best source for vulnerability data and more expert information about this specific topic.