CVE-2025-8732

Public Exploit
libxml2 xmlcatalog xmlParseSGMLCatalog recursion

Description

A vulnerability was found in libxml2 up to 2.14.5. It has been declared as problematic. This vulnerability affects the function xmlParseSGMLCatalog of the component xmlcatalog. The manipulation leads to uncontrolled recursion. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The code maintainer explains, that "[t]he issue can only be triggered with untrusted SGML catalogs and it makes absolutely no sense to use untrusted catalogs. I also doubt that anyone is still using SGML catalogs at all."

Category

4.8
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.01%
Third-Party Advisory vuldb.com
Affected: n/a libxml2
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.319228 technical description vdb entry
https://vuldb.com/?ctiid.319228 signature permissions required
https://vuldb.com/?submit.622285 third party advisory
https://gitlab.gnome.org/GNOME/libxml2/-/issues/958 issue tracking
https://gitlab.gnome.org/GNOME/libxml2/-/issues/958#note_2505853 issue tracking
https://drive.google.com/file/d/1woIeYVcSQB_NwfEhaVnX6MedpWJ_nqWl/view?usp=drive_link exploit

Frequently Asked Questions

What is the severity of CVE-2025-8732?
CVE-2025-8732 has been scored as a medium severity vulnerability.
How to fix CVE-2025-8732?
To fix CVE-2025-8732, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-8732 being actively exploited in the wild?
It is possible that CVE-2025-8732 is being exploited or will be exploited in a near future based on public information. 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-2025-8732?
CVE-2025-8732 affects n/a libxml2.
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