CVE-2020-35776
MEDIUM6.5EPSS 0.08%Published: 2/18/2021Modified: 12/3/2025
Also known as:ALPINE-CVE-2020-35776
Description
A buffer overflow in res_pjsip_diversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses.
Affected packages (2)
- Alpine/asteriskfrom 0, < 16.16.1-r0
- Debian/asteriskfrom 0, < 1:16.16.1~dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |