Out-of-bounds Read Affecting tar package, versions [1.32.90,1.35)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.07% (22nd percentile)

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  • Snyk IDSNYK-CONAN-TAR-10078371
  • published8 May 2025
  • disclosed26 Mar 2021
  • creditUnknown

Introduced: 26 Mar 2021

CVE-2021-20193  (opens in a new tab)
CWE-125  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade tar to version 1.35 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read. A flaw was found in the src/list.c of tar 1.33 and earlier. This flaw allows an attacker who can submit a crafted input file to tar to cause uncontrolled consumption of memory. The highest threat from this vulnerability is to system availability.

CVSS Base Scores

version 3.1