CVE-2015-8317

La función xmlParseXMLDecl en parser.c en libxml2 en versiones anteriores a 2.9.3 permite a atacantes dependientes del contexto obtener información sensible a través de (1) un valor de codificiación indeterminado o (2) una declaración XML incompleta en datos XML, lo que desencadena una lectura de memoria dinámica fuera de rango.

A denial of service flaw was found in libxml2. A remote attacker could provide a specially crafted XML or HTML file that, when processed by an application using libxml2, would cause that application to leak potentially sensitive information.

Kostya Serebryany discovered that libxml2 incorrectly handled certain malformed documents. If a user or automated system were tricked into opening a specially crafted document, an attacker could possibly cause libxml2 to crash, resulting in a denial of service. CVE-2015-7497,CVE-2015-7498, CVE-2015-7499, Hugh Davenport discovered that libxml2 incorrectly handled certain malformed documents. If a user or automated system were tricked into opening a specially crafted document, an attacker could possibly cause libxml2 to crash, resulting in a denial of service. Various other issues were also addressed.