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
- Last Updated
- 2026-03-18
- EPSS Score
- 0.03% (percentile: 10.2%)
Affected Products (2)
Open Source Software
- cbl2 libarchive 3.6.1-8 on CBL Mariner 2.0
- azl3 libarchive 3.7.7-4 on Azure Linux 3.0
Revision History
- 2026-03-17: Information published.
- 2026-03-18: Information published.
- 2026-03-18: Information published.