CVE-2026-25210

Published Jan 30, 2026

Last updated a month ago

Overview

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

Risk scores

CVSS 3.1

Type
Primary
Base score
7.8
Impact score
5.9
Exploitability score
1.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

cve@mitre.org
CWE-190

Social media

Hype score
Not currently trending

Configurations