Bug 2525314 (CVE-2026-38347)

Summary: CVE-2026-38347 ffmpeg: FFmpeg: Heap overflow vulnerability leads to Denial of Service
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: unspecifiedCC: bbrownin, gtanzill, jbuscemi
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in FFmpeg. A heap overflow vulnerability exists in the `ff_sws_alphablendaway` function. This flaw allows attackers to cause a Denial of Service (DoS) by providing a specially crafted input. Successful exploitation could lead to the application becoming unresponsive or crashing.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-08-27 23:33:46 UTC
A heap overflow in the ff_sws_alphablendaway function (libswscale/alphablend.c) of FFmpeg git-master commit 722a217 allows attackers to cause a Denial of Service (DoS) via a crafted input.