CVE-2026-45186

HighCVSS 7.5/10Last modified Sep 16, 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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-407

Affected software

No affected versions have been published.

Timeline

Published: May 10, 2026
Last modified: Sep 16, 2026
NVD status: Modified

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