CVE-2025-53816

HIGH

7-Zip < 25.0.0 - Heap-based Buffer Overflow in RAR5 Handler

Title source: llm
STIX 2.1

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.

References (4)

Core 4

Scores

CVSS v3 7.5
EPSS 0.0063
EPSS Percentile 45.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-122
Status published
Products (2)
7-zip/7-zip < 25.00
ipavlov/7-Zip < 25.0.0
Published Jul 17, 2025
Tracked Since Feb 18, 2026