Vulnerability 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.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linphone | Belle-Sip | < 4.5.20 |
Related Weaknesses (CWE)
References
- https://github.com/BelledonneCommunications/belle-sip/commit/116e3eb48fe43ea63ebPatchThird Party Advisory
- https://github.com/BelledonneCommunications/belle-sip/compare/4.5.15...4.5.20PatchThird Party Advisory
- https://github.com/BelledonneCommunications/belle-sip/commit/116e3eb48fe43ea63ebPatchThird Party Advisory
- https://github.com/BelledonneCommunications/belle-sip/compare/4.5.15...4.5.20PatchThird Party Advisory
FAQ
What is CVE-2021-33056?
CVE-2021-33056 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2021-33056?
CVE-2021-33056 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-33056?
Check the references section above for vendor advisories and patch information. Affected products include: Linphone Belle-Sip.