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CVE-2021-45261

Publication date 22 December 2021

Last updated 24 July 2024

Ubuntu priority

Negligible

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

An Invalid Pointer vulnerability exists in GNU patch 2.7 via the another_hunk function, which causes a Denial of Service.

Read the notes from the security team

Status

Package Ubuntu Release Status
patch 24.04 LTS noble
Vulnerable, fix deferred
23.10 mantic Ignored
23.04 lunar Ignored
22.10 kinetic Ignored
22.04 LTS jammy
Vulnerable, fix deferred
21.10 impish Ignored
21.04 hirsute Ignored
20.04 LTS focal
Vulnerable, fix deferred
18.04 LTS bionic
Vulnerable, fix deferred
16.04 LTS xenial
Vulnerable, fix deferred
14.04 LTS trusty
Vulnerable, fix deferred

Notes

rodrigo-zaiden

negligible security impact since it affects the CLI tool with a specific malformed patch file. As of 2022-03-04, upstream has not released any updates nor comments on this issue, marking as deferred.

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H