res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash occurs because of a NULL session media object dereference.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade asterisk | Jan 2, 2020 | Sep 9, 2019 |
| Debian | — | Upgrade asterisk | Jul 30, 2024 | Sep 9, 2019 |
| Freebsd | — | Upgrade asterisk16Upgrade asterisk15Upgrade asterisk18 | Mar 4, 2021 | Sep 6, 2019 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Sep 9, 2019 |
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