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Description
Description:
When the zone file is parsed, the function ldns_nsec3_salt_data is too trusted for the length value obtained from the zone file. When the memcpy is copied, the 0xfe - ldns_rdf_size(salt_rdf) byte data can be copied, causing heap information leakage.
Vulnerability location:

fuzz log:
fuzz payload:
w100wcrash-8f078e69e2781bbc4811a12d51df1c8674672306.txt
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