CVE-2017-7853: GNU Osip

High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days.

In libosip2 in GNU oSIP 4.1.0 and 5.0.0, a malformed SIP message can lead to a heap buffer overflow in the msg_osip_body_parse() function defined in osipparser2/osip_message_parse.c, resulting in a remote DoS.

Affected products

• GNU Osip: version 5.0.0 only

Published 2017-04-13. Last modified 2026-06-17.