CVE ID:	CVE-2021-21375
Description:	PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In PJSIP version 2.10 and earlier, after an initial INVITE has been sent, when two 183 responses are received, with the first one causing negotiation failure, a crash will occur. This results in a denial of service.
Test IDs:	1.3.6.1.4.1.25623.1.1.10.2021.0336   1.3.6.1.4.1.25623.1.0.892636   1.3.6.1.4.1.25623.1.0.892665
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-21375 https://github.com/pjsip/pjproject/security/advisories/GHSA-hvq6-f89p-frvp https://security.gentoo.org/glsa/202107-42 https://github.com/pjsip/pjproject/commit/97b3d7addbaa720b7ddb0af9bf6f3e443e664365 https://github.com/pjsip/pjproject/commit/97b3d7addbaa720b7ddb0af9bf6f3e443e664365 https://lists.debian.org/debian-lts-announce/2021/04/msg00023.html https://lists.debian.org/debian-lts-announce/2021/05/msg00020.html