VDB
CVE-2021-33056
CVE-2021-33056
PUBLISHED
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.
EPSS 0.41% · 62.0th percentile
Risk Scores
EPSS Score
0.41%
62.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | belle-sip | 0, 1.6.3-2, 1.4.1-1.1 |
| Ubuntu:16.04:LTS | belle-sip | 1.4.1-1.1, 0, 1.4.1-1 |
| Ubuntu:22.04:LTS | belle-sip | *, 0 |
| Ubuntu:25.10 | belle-sip | 5.3.105+dfsg-4, 0 |
| Ubuntu:24.04:LTS | belle-sip | 5.2.0+dfsg-3, 0, 5.2.0+dfsg-3.1build1 |
| Ubuntu:20.04:LTS | belle-sip | 1.6.3-5, 0 |
Exploit Intelligence
Timeline
- Aug 12, 2021 CVE Published
- Aug 13, 2021 EPSS Score
- Oct 11, 2021 EPSS Score
- Dec 8, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 5, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 4, 2022 EPSS Score
- Jun 2, 2022 EPSS Score
- Aug 1, 2022 EPSS Score
- Sep 28, 2022 EPSS Score
- Nov 26, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-33056 third-party-advisory
- https://github.com/BelledonneCommunications/belle-sip/commit/116e3eb48fe43ea63eb9f3c4b4b30c48d58d6ff0 third-party-advisory
- https://github.com/BelledonneCommunications/belle-sip/compare/4.5.15...4.5.20 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-33056 third-party-advisory