CVE-2022-26291: Debian Linux

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

lrzip v0.641 was discovered to contain a multiple concurrency use-after-free between the functions zpaq_decompress_buf() and clear_rulist(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted Irz file.

Affected products

• Debian Debian Linux: version 9.0 only; version 10.0 only; version 11.0 only
• Long Range Zip Project Long Range Zip: version 0.641 only

Published 2022-03-28. Last modified 2026-06-17.