vulnerability

FreeBSD: VID-ffa364e1-ebf5-11eb-aef1-0897988a1c07 (CVE-2021-31878): asterisk -- Remote Crash Vulnerability in PJSIP channel driver

Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Published
Jul 23, 2021
Added
Nov 4, 2022
Modified
Mar 25, 2026

Description

The Asterisk project reports: When Asterisk receives a re-INVITE without SDP after having sent a BYE request a crash will occur. This occurs due to the Asterisk channel no longer being present while code assumes it is.

Solutions

freebsd-upgrade-package-asterisk16freebsd-upgrade-package-asterisk18
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.