Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| 7-Zip | 7-Zip | < 25.00 |
Related Weaknesses (CWE)
References
- https://securitylab.github.com/advisories/GHSL-2025-058_7-Zip/ExploitThird Party Advisory
- https://www.openwall.com/lists/oss-security/2025/07/18/1ExploitMailing List
- http://www.openwall.com/lists/oss-security/2025/07/18/1
- https://lists.debian.org/debian-lts-announce/2026/05/msg00021.html
FAQ
What is CVE-2025-53816?
CVE-2025-53816 is a vulnerability with a CVSS score of 7.5 (HIGH). 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. Ver...
How severe is CVE-2025-53816?
CVE-2025-53816 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-53816?
Check the references section above for vendor advisories and patch information. Affected products include: 7-Zip 7-Zip.