CVE-2026-25210

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-190

Affected software

No affected versions have been published.

Timeline

Published: Jan 30, 2026
Last modified: Jun 17, 2026
NVD status: Modified

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