Description

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.

Remediation

References

CVE-2016-7412

Related Vulnerabilities

PHP Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2016-7418)

IBM RTC Improper Restriction of XML External Entity Reference Vulnerability (CVE-2016-9707)

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Severity

High

Classification

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities CWE-119 CVE-2016-7412