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.
https://www.openwall.com/lists/oss-security/2025/07/18/1
https://securitylab.github.com/advisories/GHSL-2025-058_7-Zip/
Published: 2025-07-17
Updated: 2025-07-18
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.7
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Severity: High
Base 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
Severity: Medium
EPSS: 0.00017