OSV-2023-242 Use-of-uninitialized-value in xmlSwitchEncoding

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=57431 Crash type: Use-of-uninitialized-value Crash state: xmlSwitchEncoding xmlParsePEReference xmlParseInternalSubset...

The vulnerability of the xmlParsePEReference component in the libxml2 library, which is used for working with XML and HTML files, allows a attacker to execute arbitrary code or cause a service failure.

The vulnerability of the xmlParsePEReference component in the libxml2 XML parsing library is related to insufficient restrictions on XML references to external objects. Exploiting this vulnerability could allow an attacker to execute arbitrary code or cause service failures through a specially...