Belledonne Belle-sip before 5.0.20 can crash applications such as Linphone via " \ " in…
Priority LOW 35CWE-404Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-404.
Summary
Belledonne Belle-sip before 5.0.20 can crash applications such as Linphone via " \ " in the display name of a From header.
Why it matters now
EPSS 0.01216 68th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-43611
- 2026-10-03 Alias added: GHSA-9g8w-v7c9-68v9
References
More Linphone Belle-sip vulnerabilities
- TI-2021-19478 Belledonne Belle-sip before 5.0.20 can crash applications such as Linphone via an invalid… CVSS 3.1HIGH 7.5
- TI-2021-12650 Belledonne Belle-sip before 4.5.20, as used in Linphone and other products, can crash via… CVSS 3.1HIGH 7.5
Sources
- CVE-2021-43611 · CVE Program
- CVE-2021-43611 · NVD
- FIRST EPSS
- GHSA-9g8w-v7c9-68v9 · GitHub Advisory Database · CC BY 4.0
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