libxml2: Unbounded RelaxNG Include Recursion Leading to Stack Overflow

A flaw was identified in the RelaxNG parser of libxml2 related to how external schema inclusions are handled. The parser does not enforce a limit on inclusion depth when resolving nested directives. Specially crafted or overly complex schemas can cause excessive recursion during parsing. This may...

PT-2026-3017

Name of the Vulnerable Software and Affected Versions libxml2 affected versions not specified Description The RelaxNG parser in libxml2 does not limit the depth of external schema inclusions when resolving nested directives. This can lead to excessive recursion during parsing with specially craft...