CVE-2021-33646: Fedoraproject Fedora

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

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

Affected products

• Fedoraproject Fedora: version 35 only; version 36 only; version 37 only
• Feep Libtar: before 1.2.21 (fixed in 1.2.21)
• Openatom Openeuler: version 20.03 only; version 22.03 only

Published 2022-08-10. Last modified 2026-06-17.