CVE-2025-49796 CRITICAL

CVE-2025-49796: Libxml: type confusion leads to denial of service (dos)

Vendor Red Hat
Product Red Hat JBoss Core Services 2.4.62.SP2
Weakness CWE-125
Published June 16, 2025
Last update June 3, 2026
View on NVD All CVEs

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory.

Key dates

02Disclosure timeline

June 16, 2025 CVE published
June 3, 2026 Record updated