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telnet: make printsub require another byte input

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Reported in Joshua's sarif data

Closes #18618
This commit is contained in:
Daniel Stenberg 2025-09-19 14:19:26 +02:00
parent df60e8fe70
commit 1055864b03
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1 changed files with 1 additions and 1 deletions
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lib/telnet.c
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@ -713,7 +713,7 @@ static void printsub(struct Curl_easy *data,
else /* bad input */
return;
}
if(length < 1) {
if(length <= 1) {
infof(data, "(Empty suboption?)");
return;
}