Module: kamailio Branch: master Commit: d10257fbfdbb3e3e73c0fe60a224585822bdd7b3 URL: https://github.com/kamailio/kamailio/commit/d10257fbfdbb3e3e73c0fe60a224585… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2024-10-26T07:46:01+02:00 core: parser sdp - check len gor extracting fmtp --- Modified: src/core/parser/sdp/sdp_helpr_funcs.c --- Diff: https://github.com/kamailio/kamailio/commit/d10257fbfdbb3e3e73c0fe60a224585… Patch: https://github.com/kamailio/kamailio/commit/d10257fbfdbb3e3e73c0fe60a224585… --- diff --git a/src/core/parser/sdp/sdp_helpr_funcs.c b/src/core/parser/sdp/sdp_helpr_funcs.c index fe5b464e473..0e61fe5ca5d 100644 --- a/src/core/parser/sdp/sdp_helpr_funcs.c +++ b/src/core/parser/sdp/sdp_helpr_funcs.c @@ -218,8 +218,12 @@ int extract_fmtp(str *body, str *fmtp_payload, str *fmtp_string) char *cp, *cp1; int len; + if(body->len <= 7) { + return -1; + } if(strncasecmp(body->s, "a=fmtp:", 7) != 0) { - /*LM_DBG("We are not pointing to an a=fmtp: attribute =>`%.*s'\n", body->len, body->s); */ + /*LM_DBG("We are not pointing to an a=fmtp: attribute =>`%.*s'\n", + * body->len, body->s); */ return -1; }