Public Date:
1732781: CVE-2019-13636 patch: the following of symlinks in inp.c and util.c is mishandled in cases other than input files

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2019-13636 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue affects the patch versions shipped with Red Hat Enterprise Linux 5, 6,7 and 8. Red Hat Product security team has rated this issue as having security impact of 'Modarate'.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 5.9
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact High
Availability Impact None

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 patch Affected
Red Hat Enterprise Linux 7 patch Affected
Red Hat Enterprise Linux 6 patch Out of support scope
Red Hat Enterprise Linux 5 patch Out of support scope
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.
Last Modified

CVE description copyright © 2017, The MITRE Corporation