CVE-2021-43611 describes a denial-of-service vulnerability affecting Belledonne Belle-sip versions prior to 5.0.20, including applications like Linphone. An attacker can crash affected applications by sending a specially crafted "From" header containing " \ " in the display name. This vulnerability has a CVSS score of 7.5 (High), indicating it can be exploited remotely with low complexity to achieve high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.0.20CPE matchmatch criteria | cpe:2.3:a:linphone:belle-sip:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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