Double free vulnerability in the WebSocket Server (res_http_websocket module) in Asterisk Open Source 11.x before 11.14.2, 12.x before 12.7.2, and 13.x before 13.0.2 and Certified Asterisk 11.6 before 11.6-cert9 allows remote attackers to cause a denial of service (crash) by sending a zero length frame after a non-zero length frame.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Certified_asterisk | Digium | 11.6-cert1 (including) | 11.6-cert1 (including) |
| Certified_asterisk | Digium | 11.6-cert2 (including) | 11.6-cert2 (including) |
| Certified_asterisk | Digium | 11.6-cert3 (including) | 11.6-cert3 (including) |
| Certified_asterisk | Digium | 11.6-cert4 (including) | 11.6-cert4 (including) |
| Certified_asterisk | Digium | 11.6-cert5 (including) | 11.6-cert5 (including) |
| Certified_asterisk | Digium | 11.6-cert6 (including) | 11.6-cert6 (including) |
| Certified_asterisk | Digium | 11.6-cert7 (including) | 11.6-cert7 (including) |
| Certified_asterisk | Digium | 11.6-cert8 (including) | 11.6-cert8 (including) |
| Certified_asterisk | Digium | 11.6.0 (including) | 11.6.0 (including) |