CVE-2021-33453

An issue was discovered in lrzip version 0.641. There is a use-after-free in ucompthread() in stream.c:1538.

CVSS v3.1 NVD

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.36% chance of exploitation in the next 30 days, 29th percentile

Published

2022-07-26

Updated

2024-08-03

Proof-of-concept exploits (2)

• https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d
• ckolivas/lrzip/issues/199705★ · 2026-09-21

References

• CVE Record
• NVD entry

Related

• CVE-2014-4501
• CVE-2014-4502
• CVE-2018-10685
• CVE-2018-11496
• CVE-2018-5650
• CVE-2018-5747