UBUNTU-CVE-2026-45538

OpenSIPS is a Session Initiation Protocol SIP server implementation. In versions 4.0.0 and prior, processing a SIP message with a header name longer than 255 bytes causes a stack buffer overflow when siptojson is called in the routing script. Function siptojson modules/sipmsgops/sipmsgops.c copie...

PT-2026-67851

Name of the Vulnerable Software and Affected Versions OpenSIPS versions prior to 4.0.1 Description A stack buffer overflow occurs when processing a SIP message containing a header name longer than 255 bytes. This happens when the routing script calls the sip to json function, which copies header...