Debian Linux Security Advisory 2710-1 - James Forshaw from Context Information Security discovered several vulnerabilities in xml-security-c, an implementation of the XML Digital Security specification.
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A heap overflow exists in the processing of the PrefixList attribute optionally used in conjunction with Exclusive Canonicalization, potentially allowing arbitrary code execution. If verification of the signature occurs prior to actual evaluation of a signing key, this could be exploited by an unauthenticated attacker. Apache Santuario XML Security for C++ library versions prior to 1.7.1 are affected.
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