Bug 2569387

Summary: CVE-2026-125703 gstreamer1-plugins-bad-free: gst-plugins-bad: Bounds check errors in MXF VANC packet handling [fedora-43]
Product: [Fedora] Fedora Reporter: lcelant
Component: gstreamer1-plugins-bad-freeAssignee: Yaakov Selkowitz <yselkowi>
Status: NEW --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: 43CC: dominik, gwync, multimedia-sig, negativo17, wtaymans, yselkowi
Target Milestone: ---Keywords: Security, SecurityTracking
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Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["c53fcbbd-4c42-4d9d-8261-c8213860abbb"]}
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On:    
Bug Blocks: 2569129    

Description lcelant 2026-11-10 10:33:39 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.

GStreamer-SA-2026-0029: Incorrect or insufficient bounds checks in MXF VANC packet handling affect the demuxer and muxer. Crafted MXF content may trigger unchecked bit/byte reader accesses, invalid array handling, or incorrect packet and wrapper sizes, potentially causing crashes, data corruption, or denial of service. Fixed in gst-plugins-bad 1.28.3.