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CVE-2025-53816

Good to know:

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Date: July 17, 2025

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.

Severity Score

Related Resources (4)

https://www.openwall.com/lists/oss-security/2025/07/18/1
https://securitylab.github.com/advisories/GHSL-2025-058_7-Zip/
https://nvd.nist.gov/vuln/detail/CVE-2025-53816
https://www.mend.io/vulnerability-database/CVE-2025-53816

Severity Score

Weakness Type (CWE)

Heap-based Buffer Overflow

CWE-122

Top Fix

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Upgrade Version

Upgrade to version https://github.com/ip7z/7zip.git - 25.00

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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