Use After Free Affecting patch package, versions *


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.07% (31st percentile)

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  • Snyk IDSNYK-RHEL7-PATCH-1389329
  • published26 Jul 2021
  • disclosed28 Jul 2019

Introduced: 28 Jul 2019

CVE-2019-20633  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 patch.

NVD Description

Note: Versions mentioned in the description apply only to the upstream patch package and not the patch package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

GNU patch through 2.7.6 contains a free(p_line[p_end]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952.

CVSS Scores

version 3.1