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 versions of 7-Zip prior to 25.0.0. Version 25.0.0 contains a fix for the issue.

CVSS v4.0

5.5 MEDIUMCVSS: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

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.64% chance of exploitation in the next 30 days, 48th percentile

Published

2025-07-17

Updated

2026-05-11

Proof-of-concept exploits (1)

• https://securitylab.github.com/advisories/GHSL-2025-058_7-Zip/

References

• CVE Record
• NVD entry

Related

• CVE-2025-5381
• CVE-2025-53817
• CVE-2025-5380
• CVE-2025-53820
• CVE-2025-53786
• CVE-2025-53821