CVE-2026-58268 SIPGO: DoS via unvalidated Content-Length in the stream parser

SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.1, ParserStream.parseSingle in sip/parserstream.go allocates a SIP body buffer from the client-controlled Content-Length header before ParseMaxMessageLength is enforced. An unauthenticated peer can send a stream-transpor...

CVE-2026-58268

The sipgo library (versions prior to 1.4.1 ) is vulnerable to an unauthenticated Denial of Service (DoS) via an oversized Content-Length header. The vulnerability exists in the ParserStream.parseSingle function within sip/parser_stream.go, where the library allocates a SIP body buffer based on th...