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: 2025-07-17
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4577-1 p7zip-rar security update
EUVD EUVD EUVD-2025-21791 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.
History

Mon, 11 May 2026 18:30:00 +0000

Type Values Removed Values Added
References

Tue, 04 Nov 2025 22:30:00 +0000

Type Values Removed Values Added
References

Thu, 21 Aug 2025 19:45:00 +0000

Type Values Removed Values Added
First Time appeared 7-zip
7-zip 7-zip
CPEs cpe:2.3:a:7-zip:7-zip:*:*:*:*:*:*:*:*
Vendors & Products 7-zip
7-zip 7-zip
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Fri, 18 Jul 2025 18:30:00 +0000

Type Values Removed Values Added
References

Thu, 17 Jul 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 17 Jul 2025 18:30:00 +0000

Type Values Removed Values Added
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.
Title GHSL-2025-058 - 7-Zip Multi-byte write heap buffer overflow in NCompress::NRar5::CDecoder
Weaknesses CWE-122
References
Metrics cvssV4_0

{'score': 5.5, 'vector': 'CVSS: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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-11T16:53:20.506Z

Reserved: 2025-07-09T14:14:52.528Z

Link: CVE-2025-53816

cve-icon Vulnrichment

Updated: 2026-05-11T16:53:20.506Z

cve-icon NVD

Status : Modified

Published: 2025-07-17T19:15:25.170

Modified: 2026-05-11T18:16:30.910

Link: CVE-2025-53816

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses