Out-of-bounds Read Affecting tar package, versions <1.34+dfsg-1


Severity

Recommended
0.0
low
0
10

Based on Debian security rating.

Threat Intelligence

EPSS
1.09% (61st percentile)

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  • Snyk IDSNYK-DEBIAN14-TAR-11769180
  • published10 Aug 2025
  • disclosed26 Mar 2021

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 Debian:14 tar to version 1.34+dfsg-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tar package and not the tar package as distributed by Debian. See How to fix? for Debian:14 relevant fixed versions and status.

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