Belledonne Belle-sip before 5.0.20 can crash applications such as Linphone via " \ " in the display name of a From header.Referenceshttps://github.com/BelledonneCommunications/belle-sip/commit/d3f0651531e45e91c2e60f3a16a8b612802e5d2dhttps://github.com/BelledonneCommunications/belle-sip/compare/5.0.18...5.0.20