CVE-2025-53816

Published Jul 17, 2025

Last updated a day ago

CVSS medium 5.5

Overview

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.
Source: security-advisories@github.com
NVD status: Awaiting Analysis

Risk scores

CVSS 4.0

Type: Secondary
Base score: 5.5
Impact score: -
Exploitability score: -
Vector string: 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity: MEDIUM

Weaknesses

security-advisories@github.com: CWE-122

Hype score: Not currently trending

CVE-2025-53816 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 vers… https://t.co/jEoB9ybso9
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17 Jul 2025
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References

Sources include official advisories and independent security research.