VULNERABILITY INTELLIGENCE

CVE-2021-33056

CVSS score7.5 HIGH
EPSS probability1.29%
CISA KEVNot currently listed
Published2021-08-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-444

Primary references