Is there a public exploit for CVE-2025-49794?

No public exploit for CVE-2025-49794 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2025-49794?

CVE-2025-49794 scores CVSS 9.1 (v3.1), rated critical. EPSS puts the chance of exploitation in the next 30 days at 0.83%.

What does CVE-2025-49794 affect?

CVE-2025-49794 affects Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On, Red Hat OpenShift Container Platform 4.18, Red Hat OpenShift Container Platform 4.14, OpenShift File Integrity Operator - FIO 1, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 9.

9.1 Critical

A use-after-free vulnerability was found in libxml2.

CVE-2025-49794

A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program's crash using libxml or other possible undefined behaviors.

Assessment

CVSS: 9.1 (v3.1)
Severity: Critical
EPSS: 0.83% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 16 June 2025
Last updated: 4 November 2026
Affected: Red Hat · OpenShift File Integrity Operator - FIO 1 · RHOSS-1.36-RHEL-8 · Red Hat Enterprise Linux 10 · Red Hat Enterprise Linux 7 Extended Lifecycle Support
Assigner: redhat

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

At the source

EUVD (ENISA)

References

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