CVE-2021-20193

LOW

GNU Tar < 1.33 - Memory Leak

Title source: rule
STIX 2.1

Description

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.

References (4)

Core 4
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1917565
Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://savannah.gnu.org/bugs/?59897
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202105-29

Scores

CVSS v3 3.3
EPSS 0.0007
EPSS Percentile 21.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Details

CWE
CWE-125 CWE-401
Status published
Products (1)
gnu/tar < 1.33
Published Mar 26, 2021
Tracked Since Feb 18, 2026