Double Free Affecting patch package, versions [0,]


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1% (59th percentile)

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  • Snyk IDSNYK-UNMANAGED-PATCH-2368549
  • published26 Jan 2022
  • disclosed25 Mar 2020
  • creditUnknown

Introduced: 25 Mar 2020

CVE-2019-20633  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

There is no fixed version for patch.

Overview

Affected versions of this package are vulnerable to Double Free. 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.

References

CVSS Base Scores

version 3.1