CVE-2021-43610

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CVSS 3.1

7.5 high

EPSS

1%p66

Published

Nov 12, 2021 (Nov 12, 2021)

Modified

Jun 17, 2026

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.

Vendors: linphone
Products: belle-sip
Weakness: CWE-444
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.2%)

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