Link Following Affecting patch package, versions <2.7.6-5


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
3.9% (90th percentile)

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  • Snyk IDSNYK-ECHOLATEST-PATCH-17982166
  • published15 Jul 2026
  • disclosed17 Jul 2019

Introduced: 17 Jul 2019

CVE-2019-13636  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

Upgrade Echo:latest patch to version 2.7.6-5 or higher.

NVD Description

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

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.

CVSS Base Scores

version 3.1