#VU111222 Not qualyfied - CVE-2025-49795

Vulnerability identifier: #VU111222

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-49795

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Description

This issue does not qualify for vulnerability definition as it is present in the dev code that was never released outside of the dev tree. 

The original description:

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the xmlSchematronFormatReport() function when processing incorrect XPath expressions in Schematron schema reports. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

External links
https://bugzilla.redhat.com/show_bug.cgi?id=2372379
https://gitlab.gnome.org/GNOME/libxml2/-/issues/932

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.