CVE-2026-39043

Publication date 17 June 2026

Last updated 10 November 2026

Ubuntu priority

Why this priority?

Description

Heap buffer overflow in Matroska demuxer

Status

Show unmaintained releases

Package	Ubuntu Release	Status
gst-plugins-good1.0	26.10 stonking	Not affected
	26.04 LTS resolute	Not affected
	25.10 questing	Ignored end of life, was needs-triage
	24.04 LTS noble	Fixed in 1.24.2-1ubuntu1.5
	22.04 LTS jammy	Fixed in 1.20.3-0ubuntu1.7
	20.04 LTS focal	Fixed in 1.16.3-0ubuntu1.3+esm5
	18.04 LTS bionic	Fixed in 1.14.5-0ubuntu1~18.04.3+esm5
	16.04 LTS xenial	Fixed in 1.8.3-1ubuntu0.5+esm5

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
gst-plugins-good1.0	Upstream: 8647118 Upstream: 6db6dd0

References

Related Ubuntu Security Notices (USN)

USN-8584-1
GStreamer Good Plugins vulnerabilities
22 July 2026

USN-9038-1
GStreamer Good Plugins, GStreamer Base Plugins vulnerabilities
10 November 2026