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...

CVE-2026-45538 OpenSIPS: Stack Buffer Overflow in sip_to_json() Header Name Copy

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...

envoy: Resource exhaustion when processing HTTP/1.1 headers with long field names

An uncontrolled resource consumption vulnerability was found in Envoy. This flaw allows an attacker to craft many HTTP requests with long field names or URLs to cause the proxy to consume excessive amounts of memory, potentially resulting in a denial of service. The highest threat from this...