CVE-2026-45186

Published May 10, 2026

Last updated 24 days ago

Overview

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.
Source
cve@mitre.org
NVD status
Analyzed
Products
libexpat

Risk scores

CVSS 3.1

Type
Primary
Base score
7.5
Impact score
3.6
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity
HIGH

Weaknesses

cve@mitre.org
CWE-407

Social media

Hype score
Not currently trending

Configurations