CVE-2021-33056

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-444

Affected software

No affected versions have been published.

Timeline

Published
Aug 12, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-33056: High severity, CVSS 7.5 | Vulnix