High severity7.5NVD Advisory· Published Aug 10, 2022· Updated Jun 17, 2026

CVE-2021-33646

Description

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

LLM-synthesized narrative grounded in this CVE's description and references.

Feep/Libtar
cpe:2.3:a:feep:libtar:*:*:*:*:*:*:*:*
Range: <1.2.21
Fedoraproject/Fedora3 versions
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
Openatom/Openeuler3 versions
cpe:2.3:o:openatom:openeuler:20.03:sp1:*:*:lts:*:*:*+ 2 more
- cpe:2.3:o:openatom:openeuler:20.03:sp1:*:*:lts:*:*:*
- cpe:2.3:o:openatom:openeuler:20.03:sp3:*:*:lts:*:*:*
- cpe:2.3:o:openatom:openeuler:22.03:*:*:*:lts:*:*:*
osv-coords
pkg:rpm/almalinux/libtar
Range: < 1.2.20-17.el8