NULL Pointer Dereference in Libxml2 Affects Multiple Vendors
CVE-2025-49795

7.5HIGH

Key Information:

Vendor

Gnome
Status
Libxml2
Red Hat Enterprise Linux 10
Red Hat Jboss Core Services 2.4.62.sp2
Red Hat Hardened Images
Vendor
CVE Published:
16 June 2025

What is CVE-2025-49795?

A vulnerability exists in libxml2 that can be exploited when processing XPath XML expressions. By crafting a malicious XML input, an attacker can trigger a NULL pointer dereference, potentially leading to a denial of service as the application crashes when it encounters the improper input.

Affected Version(s)

libxml2 2.10.0 < 2.14.5

Red Hat Enterprise Linux 10 0:2.12.5-7.el10_0

Red Hat Hardened Images 2.15.2-0.3.hum1

References

https://access.redhat.com/errata/RHSA-2025:10630
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:19020
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7519
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.