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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.

PUBLISHED Reserved 2025-07-09 | Published 2025-07-17 | Updated 2026-05-11 | Assigner GitHub_M




MEDIUM: 5.5CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P

Problem types

CWE-122: Heap-based Buffer Overflow

Product status

< 25.0.0
affected

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

cve.org (CVE-2025-53816)

nvd.nist.gov (CVE-2025-53816)

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