CVE-2026-118370: libexpat through 2.9.0 Integer Overflow in storeAtts via attIndex and nPrefixes
Overview
- Severity
- Medium (CVSS 5.9)
- CVSS Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Oct
- Released
- 2026-10-29
- EPSS Score
- 0.44% (percentile: 38.3%)
Affected Products (1)
Open Source Software
- azl3 expat 2.8.3-2 on Azure Linux 3.0
Revision History
- 2026-10-29: Information published.