CVE-2021-33056

HIGH

Belledonne Belle-sip <4.5.20 - DoS

Title source: llm
STIX 2.1

Description

Belledonne Belle-sip before 4.5.20, as used in Linphone and other products, can crash via an invalid From header in a SIP message.

Scores

CVSS v3 7.5
EPSS 0.0042
EPSS Percentile 61.7%
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 < 4.5.20
Published Aug 12, 2021
Tracked Since Feb 18, 2026