CVE-2022-26291

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-03-28 · updated 2026-06-17
Weakness: CWE-416

Description

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 Linux: 9.0, 10.0, 11.0
Long Range Zip Project Long Range Zip: 0.641

References

https://github.com/ckolivas/lrzip/issues/206
https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html
https://www.debian.org/security/2022/dsa-5145
https://github.com/ckolivas/lrzip/issues/206
https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html
https://www.debian.org/security/2022/dsa-5145

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