Description
7-Zip is a file archiver with a high compression ratio. Zeroes written outside heap buffer in RAR5 handler may lead to memory corruption and denial of service in versions of 7-Zip prior to 25.0.0. Version 25.0.0 contains a fix for the issue.
Problem types
CWE-122: Heap-based Buffer Overflow
Product status
References
www.openwall.com/lists/oss-security/2025/07/18/1
lists.debian.org/debian-lts-announce/2026/05/msg00021.html
securitylab.github.com/advisories/GHSL-2025-058_7-Zip/
www.openwall.com/lists/oss-security/2025/07/18/1