Describe CVE-2013-2156.
What is CVE-2013-2156?
Heap-based buffer overflow in the Exclusive Canonicalization functionality (xsec/canon/XSECC14n20010315.cpp) in Apache Santuario XML Security for C++ (aka xml-security-c) before 1.7.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted PrefixList attribute..