Heap-based Buffer Overflow in PHP MySQLnd Library

CVE-2016-7412 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

ext/mysqlnd/mysqlnd_wireprotocol.c in PHP before 5.6.26 and 7.x before 7.0.11 does not verify that a BIT field has the UNSIGNED_FLAG flag, which allows remote MySQL servers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted field metadata.

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