The ConnectionBase::preparseNewBytes function in resip/stack/ConnectionBase.cxx in reSIProcate through 1.10.2 allows remote attackers to cause a denial of service (buffer overflow) or possibly execute arbitrary code when TLS communication is enabled.
https://www.exploit-db.com/exploits/45174/
https://packetstormsecurity.com/files/148856/reSIProcate-1.10.2-Heap-Overflow.html
https://lists.debian.org/debian-lts-announce/2021/12/msg00029.html
https://lists.debian.org/debian-lts-announce/2018/07/msg00031.html
https://github.com/resiprocate/resiprocate/commit/2cb291191c93c7c4e371e22cb89805a5b31d6608