CVE-2026-5121: Libarchive: libarchive: arbitrary code execution via integer overflow in iso9660 image processing
Overview
- Severity
- High (CVSS 8.6)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H/E:U
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Mar
- Released
- 2026-04-02
- Last Updated
- 2026-04-24
- EPSS Score
- 0.08% (percentile: 24.4%)
Affected Products (2)
Open Source Software
- cbl2 libarchive 3.6.1-9 on CBL Mariner 2.0
- azl3 libarchive 3.7.7-5 on Azure Linux 3.0
Revision History
- 2026-04-02: Information published.
- 2026-04-22: Information published.
- 2026-04-24: Information published.