CVE-2021-43610
HIGHBelle-sip < 5.0.20 - Denial of Service via Invalid From Header in SIP Message
Title source: llmDescription
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.
References (2)
Core 2
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/BelledonneCommunications/belle-sip/commit/d3f0651531e45e91c2e60f3a16a8b612802e5d2d
Patch, Third Party Advisory x_refsource_misc
https://github.com/BelledonneCommunications/belle-sip/compare/5.0.18...5.0.20
Scores
CVSS v3
7.5
EPSS
0.0115
EPSS Percentile
62.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-444
Status
published
Products (1)
linphone/belle-sip
< 5.0.20
Published
Nov 12, 2021
Tracked Since
Feb 18, 2026