CVE-2023-39804

Publication date 30 November 2023

Last updated 30 May 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.2 · Medium

Score breakdown

In GNU tar before 1.35, mishandled extension attributes in a PAX archive can lead to an application crash in xheader.c.

Read the notes from the security team

Status

Package Ubuntu Release Status
tar 23.10 mantic
Fixed 1.34+dfsg-1.2ubuntu1.1
23.04 lunar
Fixed 1.34+dfsg-1.2ubuntu0.2
22.04 LTS jammy
Fixed 1.34+dfsg-1ubuntu0.1.22.04.2
20.04 LTS focal
Fixed 1.30+dfsg-7ubuntu0.20.04.4
18.04 LTS bionic
Fixed 1.29b-2ubuntu0.4+esm1
16.04 LTS xenial
Fixed 1.28-2.1ubuntu0.2+esm3
14.04 LTS trusty
Fixed 1.27.1-1ubuntu0.1+esm4

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Notes

alexmurray

Fixed in upstream version 1.35

Patch details

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

Package Patch details
tar

Severity score breakdown

Parameter Value
Base score 6.2 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H