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  PHP dns_get_record Memory Corruption 1

Category: DNS      

An issue was discovered in PHP 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.2. dns_get_record misparses a DNS response, which can allow a hostile DNS server to cause PHP to misuse memcpy, leading to read operations going past the buffer allocated for DNS data. This affects php_parserr in ext/standard/dns.c for DNS_CAA and DNS_ANY queries.

References
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9022


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