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Vulnerabilities

Vulnerability · CVE-2025-49795

A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions.

Published Jun 16, 2025 · catalog updated Oct 12, 2026 · Red Hat Red Hat Enterprise Linux 10

Check this week

CVE-2025-49795 is not in CISA KEV. FIRST estimates a 59.00% chance of exploitation in the next 30 days. Check whether you run Red Hat Red Hat Enterprise Linux 10.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
59.00%
Remediation
Advisory link
Affected products
vendor Red Hat Red Hat Enterprise Linux 10 patch: 0:2.12.5-7.el10_0

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Red Hat Red Hat Enterprise Linux 10 patch: 0:2.12.5-7.el10_0patch: 0:2.12.5-7.el10_0

How to fix CVE-2025-49795

  • Recommended remediation

    A patch or advisory reference is linked. Open the original publisher for availability by product version.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-49795 is not in CISA KEV. FIRST estimates a 59.00% chance of exploitation in the next 30 days. Check whether you run Red Hat Red Hat Enterprise Linux 10.

Which versions are affected?

Compare what you have installed with Red Hat Red Hat Enterprise Linux 10 patch: 0:2.12.5-7.el10_0 patch: 0:2.12.5-7.el10_0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 59.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 16, 2025 · EUVD

    Detected

    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.

  2. Oct 12, 2026 · EUVD

    Updated

    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.

Sources

  • EUVDVulnerability recordEUVD-2025-18416

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 12, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.