CVE-2025-49795

Libxml: null pointer dereference leads to denial of service (dos)

Description

A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows an attacker to craft a malicious XML input to libxml2, leading to a denial of service.

Remediation

Workaround:

  • Mitigation is either unavailable or does not meet Red Hat Product Security standards for usability, deployment, applicability, or stability.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.04%
Vendor Advisory redhat.com
Affected: Red Hat Red Hat Enterprise Linux 10
Affected: Red Hat Red Hat Enterprise Linux 6
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat JBoss Core Services
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2025:10630 vendor advisory
https://access.redhat.com/security/cve/CVE-2025-49795 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2372379 issue tracking

Frequently Asked Questions

What is the severity of CVE-2025-49795?
CVE-2025-49795 has been scored as a high severity vulnerability.
How to fix CVE-2025-49795?
As a workaround for remediating CVE-2025-49795: Mitigation is either unavailable or does not meet Red Hat Product Security standards for usability, deployment, applicability, or stability.
Is CVE-2025-49795 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-49795 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-49795?
CVE-2025-49795 affects Red Hat Red Hat Enterprise Linux 10, Red Hat Red Hat Enterprise Linux 6, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat JBoss Core Services.
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