VULNERABILITY INTELLIGENCE

CVE-2026-25210

CVSS score6.9 MEDIUM
EPSS probability0.21%
CISA KEVNot currently listed
Published2026-01-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

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.

Weakness classification

  • cve@mitre.org: CWE-190

Primary references