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Incorrect access controls in res_srtp.c in Sangoma Asterisk 13.38.1, 16.16.0, 17.9.1, and 18.2.0 and Certified Asterisk 16.8-cert5 allow a remote unauthenticated attacker to prematurely terminate secure calls by replaying SRTP packets.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade asterisk | Mar 26, 2024 | Feb 18, 2021 |
| Freebsd | — | Upgrade asterisk16Upgrade asterisk13Upgrade asterisk18 | Dec 10, 2025 | Feb 18, 2021 |
| Gentoo Linux | — | Upgrade net-misc/asterisk. | Dec 9, 2024 | Feb 18, 2021 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Feb 18, 2021 |
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