Use After Free in Long Range Zip Project
CVE-2022-26291
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.
Vulnerability class: Use-After-Free
EPSS: 0.009 (54.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Long_range_zip_project Long_range_zip — versions 0.641
- Debian Debian_linux — versions 9.0, 10.0, 11.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2022-26291?
- CVE-2022-26291 is a medium-severity vulnerability in Long Range Zip Project, classified under Use After Free. CVSS score: 5.5/10. Published 2022-03-28.
- How severe is CVE-2022-26291?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-26291 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.