CVE-2026-4111: Libarchive: infinite loop denial of service in rar5 decompression via archive_read_data() in libarchive

Overview

Severity

High (CVSS 7.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Mar

Released

2026-03-17

EPSS Score

0.04% (percentile: 11.0%)

Affected Products (2)

Other

• 20889-17086
• 20888-17084

Revision History

• 2026-03-17: Information published.