Bug 2533346 (CVE-2026-90816)

Summary: CVE-2026-90816 ffmpeg: CPU exhaustion when processing a crafted HLS playlist
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
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in FFmpeg. A CPU exhaustion issue can occur in the HLS protocol module when handling a specially crafted HLS (HTTP Live Streaming) playlist due to insufficient validation of duration or target_duration parameters. This vulnerability can lead to an excessive consumption of CPU resources, eventually resulting in a denial of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2534014    
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Description OSIDB Bzimport 2026-09-14 20:21:47 UTC
A vulnerability was found in FFmpeg 8.0.x. This affects the function parse_playlist of the file libavformat/hlsproto.c of the component Duration Parser. Performing a manipulation of the argument duration/target_duration results in denial of service. The attack is possible to be carried out remotely. Upgrading to version 8.1 and 9.0 is able to mitigate this issue. The patch is named 64fafd63f0b4. Upgrading the affected component is recommended.