CVE-2026-116788 FreeSWITCH: Pre-authentication heap buffer overflow in core XML empty-entity decoding

FreeSWITCH is an open-source software telecommunications platform. Before version 1.11.2, an integer underflow in switchxmldecode can cause an undersized heap allocation when an XML document declares an entity with an empty replacement value. Subsequent copying overruns the allocated buffer. An...