CVE-2021-33056
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductLinphone Belle-sip
PublishedAug 12, 2021
First seenAug 12, 2021
How to fix
Update
- linphone belle-sip4.5.20 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linphone belle-sip | v < 4.5.20 | 4.5.20 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
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