#VU122268 Integer overflow in expat - CVE-2026-25210

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Main Vulnerability Database Vulnerabilities #VU122268

#VU122268 Integer overflow in expat - CVE-2026-25210

Published: February 3, 2026


Vulnerability identifier: #VU122268
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-25210
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
expat
Software vendor:
libexpat.org

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow within the doContent() function. A remote attacker can pass specially crafted XML data to the application, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links