CVE-2014-8416

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-11-24 · updated 2026-06-17
Weakness: CWE-20

Description

Use-after-free vulnerability in the PJSIP channel driver in Asterisk Open Source 12.x before 12.7.1 and 13.x before 13.0.1, when using the res_pjsip_refer module, allows remote attackers to cause a denial of service (crash) via an in-dialog INVITE with Replaces message, which triggers the channel to be hung up.

Affected products

Digium Asterisk: from 12.0.0 before 12.7.1; from 13.0.0 before 13.0.1 — fixed in 12.7.1, 13.0.1

How to fix

Upgrade to a fixed version: Digium Asterisk 12.7.1, 13.0.1. Check the vendor advisory for mitigations.

References

http://downloads.asterisk.org/pub/security/AST-2014-016.html
http://downloads.asterisk.org/pub/security/AST-2014-016.html

Get alerted when CVE-2014-8416 or the next vulnerability affects your stack