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x509asn1: prevent NULL dereference

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Closes #13978
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z2_ 2024-06-20 21:57:07 +02:00 committed by Daniel Stenberg
parent df2fbc2777
commit 36e9222c42
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1 changed files with 5 additions and 0 deletions
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lib/vtls/x509asn1.c
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@ -695,6 +695,11 @@ static CURLcode encodeDN(struct dynbuf *store, struct Curl_asn1Element *dn)
str = Curl_dyn_ptr(&temp); str = Curl_dyn_ptr(&temp);
if(!str) {
result = CURLE_BAD_FUNCTION_ARGUMENT;
goto error;
}
/* Encode delimiter. /* Encode delimiter.
If attribute has a short uppercase name, delimiter is ", ". */ If attribute has a short uppercase name, delimiter is ", ". */
for(p3 = str; ISUPPER(*p3); p3++) for(p3 = str; ISUPPER(*p3); p3++)