In the pjsip channel driver (res_pjsip) in Asterisk 13.x before 13.17.1 and 14.x before 14.6.1, a carefully crafted tel URI in a From, To, or Contact header could cause Asterisk to crash.
https://bugs.debian.org/873909
http://www.securitytracker.com/id/1039253
http://www.securityfocus.com/bid/100583
https://issues.asterisk.org/jira/browse/ASTERISK-27152
http://downloads.asterisk.org/pub/security/AST-2017-007.html
Source: Mitre, NVD
Published: 2017-09-02
Updated: 2025-04-20
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High
EPSS: 0.40123