CVE-2019-13636

Publication date 17 July 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

In GNU patch through 2.7.6, the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
patch	19.04 disco	Fixed 2.7.6-3ubuntu0.1
	18.04 LTS bionic	Fixed 2.7.6-2ubuntu1.1
	16.04 LTS xenial	Fixed 2.7.5-1ubuntu0.16.04.2
	14.04 LTS trusty	Fixed 2.7.1-4ubuntu2.4+esm1

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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
patch	Upstream: ?id=dce

Severity score breakdown

Parameter	Value
Base score	5.9 · Medium
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N