CVEvulnerability
CVE-2026-25210
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-01-30
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.9 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-190
Description
In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation.
Affected configurations
• libexpat project libexpat (< 2.7.4)
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- https://github.com/libexpat/libexpat/pull/1075 Issue Tracking, Patch
- https://github.com/libexpat/libexpat/pull/1075/commits/9c2d990389e6abe2e44527eeaa8b39f16fe859c7 Patch
- https://cert-portal.siemens.com/productcert/html/ssa-253495.html cert-portal.siemens.com