chain_sip in Asterisk Open Source 11.x before 11.23.1 and 13.x 13.11.1 and Certified Asterisk 11.6 before 11.6-cert15 and 13.8 before 13.8-cert3 allows remote attackers to cause a denial of service (port exhaustion).
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade asterisk | Mar 31, 2017 | Oct 25, 2016 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Apr 17, 2017 |
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