CVE-2026-45186

2.9 LOW

Published: May 10, 2026 Modified: May 10, 2026

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/libexpat/libexpat/pull/1216

Source: cve@mitre.org

1 reference(s) from NVD

Quick Stats

CVSS v3 Score

2.9 / 10.0

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-407

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