CVE-2026-72522: libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the *_toUtf16 functions.
Overview
- Severity
- Medium (CVSS 6.2)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Aug
- Released
- 2026-08-11
- Last Updated
- 2026-08-23
- EPSS Score
- 0.18% (percentile: 7.0%)
Affected Products (1)
Other
Revision History
- 2026-08-11: Information published.
- 2026-08-14: Information published.
- 2026-08-14: Information published.
- 2026-08-23: Information published.