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MitreCVELIST:CVE-2020-19861HistoryJan 21, 2022 - 2:22 p.m.
CVE-2020-19861
2022-01-2114:22:16
mitre
www.cve.org
3
ldns
zone file
parsing
vulnerability
heap overflow
information leakage
When a zone file in ldns 1.7.1 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 overflow information leakage.
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