CVE-2026-5056

unknown

Published — · Modified —

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

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Description

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Debian Security Tracker · View original ↗ · DFSG

CVE-2026-5056 NameCVE-2026-5056 DescriptionInteger overflows and out-of-bounds access in MOV/MP4 demuxer 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…

CVE-2026-5056

Name	CVE-2026-5056
Description	Integer overflows and out-of-bounds access in MOV/MP4 demuxer
Source	CVE (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 Package	Release	Version	Status
gst-plugins-good1.0 (PTS)	bullseye	1.18.4-2+deb11u2	fixed
	bullseye (security)	1.18.4-2+deb11u4	fixed
	bookworm	1.22.0-5+deb12u3	fixed
	bookworm (security)	1.22.0-5+deb12u2	fixed
	trixie	1.26.2-1	vulnerable
	forky, sid	1.28.3-1	fixed

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

Package	Type	Release	Fixed Version
gst-plugins-good1.0	source	bullseye	(not affected)
gst-plugins-good1.0	source	bookworm	(not affected)
gst-plugins-good1.0	source	(unstable)	1.28.2-1

Notes

[bookworm] - gst-plugins-good1.0 <not-affected> (Vulnerable code not present)
[bullseye] - gst-plugins-good1.0 <not-affected> (Vulnerable code not present)
https://gstreamer.freedesktop.org/security/sa-2026-0016.html
Introduced by: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/54830e7c0a61773c0d099d0c2896b6ca09b709d4 (1.25.50)
Fixed by: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/f9567e3e26c98fd7687f806e2317a12c705a3bb4 (main)
Fixed by: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/bad6721ca4901123e5cb57eec9d8e84d69c08597 (1.28.2)

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Apply commands

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Notes

[bookworm] - gst-plugins-good1.0 <not-affected> (Vulnerable code not present)[bullseye] - gst-plugins-good1.0 <not-affected> (Vulnerable code not present)https://gstreamer.freedesktop.org/security/sa-2026-0016.htmlIntroduced by: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/54830e7c0a61773c0d099d0c2896b6ca09b709d4 (1.25.50)Fixed by: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/f9567e3e26c98fd7687f806e2317a12c705a3bb4 (main)Fixed by: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/bad6721ca4901123e5cb57eec9d8e84d69c08597 (1.28.2)

OS impact

OS	Version	Status	Fixed in
debian	forky	fixed	`1.28.2-1`
debian	sid	fixed	`1.28.2-1`
debian	trixie	fixed	`1.26.2-1+deb13u1`
sles		affected
debian	bookworm	fixed	`0`
debian	bullseye	fixed	`0`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.