CVE-2026-125703

NameCVE-2026-125703
DescriptionA flaw was found in the GStreamer gst-plugins-bad MXF plugin. Insufficient bounds checks when parsing crafted VANC data can cause an out-of-bounds read in the demuxer, while an incorrect buffer size calculation when muxing multiple ancillary packets can cause an out-of-bounds write. Processing affected content may crash the application, resulting in a denial of service.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gst-plugins-bad1.0 (PTS)bookworm1.22.0-4+deb12u7vulnerable
bookworm (security)1.22.0-4+deb12u8vulnerable
trixie (security), trixie1.26.2-3+deb13u3vulnerable
forky, sid1.28.9-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gst-plugins-bad1.0source(unstable)1.28.3-1

Notes

https://gstreamer.freedesktop.org/security/sa-2026-0029.html
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/11585
Fixed by: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/209fb634cfcd2776073c0ea3264009321d04ab65 (1.28.3)
Fixed by: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/89efe32eac678d3e0bc4b28a9c7acd02728e5337 (1.28.3)

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