CVE-2018-7287: Digium Asterisk

Medium severity, CVSS 5.9. EPSS: 11.5% chance of exploitation in the next 30 days.

An issue was discovered in res_http_websocket.c in Asterisk 15.x through 15.2.1. If the HTTP server is enabled (default is disabled), WebSocket payloads of size 0 are mishandled (with a busy loop).

Affected products

• Digium Asterisk: version 15.0.0 only; version 15.1.0 only; version 15.1.1 only; version 15.1.2 only; version 15.1.3 only; version 15.1.4 only; …

Published 2018-02-22. Last modified 2026-06-17.