CVE-2026-61626

Publication date 14 July 2026

Last updated 24 September 2026

Ubuntu priority

Why this priority?

Description

[GHSA-5gf7-wjfm-vmvm: Out-of-bounds bit clears for negative Matroska ReadOrder values]

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libass	26.04 LTS resolute	Fixed 1:0.17.4-2ubuntu0.1~esm1
	24.04 LTS noble	Not affected
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

How can I get the fixes?
What do statuses mean?

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References

MITRE
NVD
Launchpad
Debian

Related Ubuntu Security Notices (USN)

USN-8815-1
libass vulnerabilities
24 September 2026

Other references

https://www.cve.org/CVERecord?id=CVE-2026-61626
https://github.com/libass/libass/security/advisories/GHSA-5gf7-wjfm-vmvm
https://github.com/libass/libass/issues/937