PJSIP is vulnerable to denial of service. A race condition between callback and destroy and an insecure SSL socket parent/listener allows an attacker to cause an applicatino crash.
github.com/pjsip/pjproject/commit/d5f95aa066f878b0aef6a64e60b61e8626e664cd
github.com/pjsip/pjproject/pull/2716
github.com/pjsip/pjproject/releases/tag/2.11.1
github.com/pjsip/pjproject/security/advisories/GHSA-cv8x-p47p-99wr
lists.debian.org/debian-lts-announce/2022/03/msg00035.html
secdb.alpinelinux.org/edge/main.yaml
www.debian.org/security/2021/dsa-4999