High severity7.5NVD Advisory· Published Nov 12, 2021· Updated Jun 17, 2026
CVE-2021-43610
CVE-2021-43610
Description
Belledonne Belle-sip before 5.0.20 can crash applications such as Linphone via an invalid From header (request URI without a parameter) in an unauthenticated SIP message, a different issue than CVE-2021-33056.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Belledonne/Belle-sipdescription
- Range: <5.0.20
Patches
Vulnerability mechanics
References
2- github.com/BelledonneCommunications/belle-sip/commit/d3f0651531e45e91c2e60f3a16a8b612802e5d2dnvdPatchThird Party Advisory
- github.com/BelledonneCommunications/belle-sip/compare/5.0.18...5.0.20nvdPatchThird Party Advisory
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