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urlapi: skip appending NULL pointer query

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Reported-by: kirbyn17 on hackerone

Closes #12240
This commit is contained in:
Daniel Stenberg 2023-10-31 16:22:07 +01:00
parent 21c5d5971e
commit ffbc9981c4
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1 changed files with 1 additions and 1 deletions
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lib/urlapi.c
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@ -1902,7 +1902,7 @@ CURLUcode curl_url_set(CURLU *u, CURLUPart what,
}
newp = Curl_dyn_ptr(&enc);
if(appendquery) {
if(appendquery && newp) {
/* Append the 'newp' string onto the old query. Add a '&' separator if
none is present at the end of the existing query already */