CVE-2026-32777: libexpat before 2.7.5 allows an infinite loop while parsing DTD content.
Overview
- Severity
- Medium (CVSS 4)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Mar
- Released
- 2026-03-17
- Last Updated
- 2026-09-25
- EPSS Score
- 0.22% (percentile: 12.6%)
Affected Products (7)
Open Source Software
- azl3 expat 2.6.4-4 on Azure Linux 3.0
- cbl2 expat 2.6.4-4 on CBL Mariner 2.0
- azl3 cmake 3.30.3-12 on Azure Linux 3.0
- azl3 python3 3.12.9-9 on Azure Linux 3.0
- cbl2 cmake 3.21.4-21 on CBL Mariner 2.0
- azl3 expat 2.6.4-5 on Azure Linux 3.0
- cbl2 expat 2.6.4-4 on CBL-Mariner 2.0
Revision History
- 2026-03-17: Information published.
- 2026-03-19: Information published.
- 2026-03-31: Information published.
- 2026-04-14: Information published.
- 2026-04-14: Information published.
- 2026-04-15: Information published.
- 2026-04-30: Information published.
- 2026-09-25: Information published.