Security Advisory

CVE-2019-9022

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2019-02-22 23:00:00

Last updated 2024-08-04 21:31:37

Assigner mitre

State PUBLISHED

Description

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.

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