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CVE-2026-53615 | Ubuntu

CVE-2026-53615

Publication date 18 June 2026

Last updated 15 October 2026

Ubuntu priority

[Integer Overflow or Wraparound in libblkid/src/partitions/dos.c]

Show unmaintained releases

Package	Ubuntu Release	Status
util-linux	26.10 stonking	Vulnerable work in progress in 2.42.2-1ubuntu1
	26.04 LTS resolute	Fixed in 2.41.3-3ubuntu2.2
	25.10 questing	Ignored end of life, was needs-triage
	24.04 LTS noble	Fixed in 2.39.3-9ubuntu6.6
	22.04 LTS jammy	Fixed in 2.37.2-4ubuntu3.6
	20.04 LTS focal	Needs evaluation
	18.04 LTS bionic	Needs evaluation
	16.04 LTS xenial	Needs evaluation
	14.04 LTS trusty	Needs evaluation

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

Package	Patch details
util-linux	Upstream: a2d8581 Upstream: 05c2dba

CVSS version: CVSS v3.0

Base score 8.0 · High

Base metrics

Scores

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H