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CVE-2021-33646

nvd nist
Published: Aug 10, 2022Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

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

Affected (7)

Feep
1 product
Libtar
Openatom
1 product
Openeuler
Fedoraproject
1 product
Fedora
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Libtar
Before 1.2.21
Configuration B
3 vulnerable
Vulnerable SoftwareAffected Versions
Openatom
Openeuler
Version 20.03 sp1
Openeuler
Version 20.03 sp3
Openeuler
Version 22.03
Configuration C
3 vulnerable
Vulnerable SoftwareAffected Versions
Fedoraproject
Fedora
Version 35
Fedora
Version 36
Fedora
Version 37

Related CWEs

CWE-401
Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

References (13)

Source: securities@openeuler.org
Source: securities@openeuler.org
Source: securities@openeuler.org
Source: securities@openeuler.org
Source: securities@openeuler.org
Source: securities@openeuler.org
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.