VULNERABILITY INTELLIGENCE

CVE-2026-45186

CVSS score2.9 LOW
EPSS probability0.48%
CISA KEVNot currently listed
Published2026-05-10
Last modified2026-09-16
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Description

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.

Weakness classification

  • cve@mitre.org: CWE-407
  • 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-407

Primary references