CVE-2023-39741

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

lrzip v0.651 was discovered to contain a heap overflow via the libzpaq::PostProcessor::write(int) function at /libzpaq/libzpaq.cpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted file.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://gist.github.com/huanglei3/ec9090096aa92445cf0a8baa8e929084
https://github.com/ckolivas/lrzip/issues/246Exploit, Issue Tracking
https://github.com/huanglei3/lrzip_poc/tree/main/lrzip_heap_overflowExploit
https://gist.github.com/huanglei3/ec9090096aa92445cf0a8baa8e929084
https://github.com/ckolivas/lrzip/issues/246Exploit, Issue Tracking
https://github.com/huanglei3/lrzip_poc/tree/main/lrzip_heap_overflowExploit

Timeline

Published: Aug 17, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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