New 7-Zip Vulnerability Enables Weaponized RAR5 File to Crash Your System

A critical memory corruption vulnerability in the popular file archiver 7-Zip has been discovered that allows attackers to trigger denial of service conditions by crafting malicious RAR5 archive files. The vulnerability, tracked as CVE-2025-53816 and designated GHSL-2025-058, affects all versions of 7-Zip prior to version 25.00. Security researcher Jaroslav Lobačevski discovered the vulnerability from GitHub […]

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