https://github.com/pjsip/pjproject/security/advisories/GHSA-26j7-ww69-c4qj
It is a stack buffer overflow vulnerability that affects PJSIP users that
use STUN in their applications, either by:

    setting a STUN server in their account/media config in PJSUA/PJSUA2 level,
    or directly using pjlib-util/stun_simple API.

Change-Id: I9f578797bb2354f1b62a8c68c3ad98187b6984a8
GitLab: #799