CVE-2021-33645

HIGH

libtar < 1.2.21 - Use-After-Free in th_read Function

Title source: llm
STIX 2.1

Description

The th_read() function doesn’t free a variable t->th_buf.gnu_longlink after allocating memory, which may cause a memory leak.

Scores

CVSS v3 7.5
EPSS 0.0028
EPSS Percentile 51.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (6)
fedoraproject/fedora 35
fedoraproject/fedora 36
fedoraproject/fedora 37
feep/libtar < 1.2.21
openatom/openeuler 20.03 sp1 (2 CPE variants)
openatom/openeuler 22.03
Published Aug 10, 2022
Tracked Since Feb 18, 2026