CVE-2025-8732: libxml2 xmlcatalog xmlParseSGMLCatalog recursion
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."
Other sources
libxml2 xmlcatalog xmlParseSGMLCatalog recursion
— Microsoft
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-8732?
CVE-2025-8732 is considered problematic due to uncontrolled recursion in the xmlParseSGMLCatalog function.
How do I fix CVE-2025-8732?
To fix CVE-2025-8732, update libxml2 to version 2.14.6 or later.
Which versions of libxml2 are affected by CVE-2025-8732?
CVE-2025-8732 affects libxml2 versions up to and including 2.14.5.
Can CVE-2025-8732 be exploited remotely?
No, CVE-2025-8732 requires local access to exploit the vulnerability.
What component is affected by CVE-2025-8732?
The component affected by CVE-2025-8732 is xmlcatalog in the libxml2 library.