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-rw-r--r--lib/url.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/url.c b/lib/url.c
index 6d7d2d460..d2208d5eb 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -3337,7 +3337,13 @@ static CURLcode parse_remote_port(struct Curl_easy *data,
portptr = strchr(conn->host.name, ']');
if(portptr) {
*portptr++ = '\0'; /* zero terminate, killing the bracket */
- if(':' != *portptr)
+ if(*portptr) {
+ if (*portptr != ':') {
+ failf(data, "IPv6 closing bracket followed by '%c'", *portptr);
+ return CURLE_URL_MALFORMAT;
+ }
+ }
+ else
portptr = NULL; /* no port number available */
}
}