CVE-2013-2156: Apache XML Security For C++

High severity, CVSS 7.5. EPSS: 8.4% chance of exploitation in the next 30 days.

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.

Affected products

• Apache XML Security For C++: up to and including 1.7.0; version 0.1.0 only; version 0.2.0 only; version 1.1.0 only; version 1.2.0 only; version 1.2.1 only; …

Published 2013-08-20. Last modified 2026-06-16.