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

Serendipity Other Vulnerability (CVE-2004-2525)

WebLogic Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') Vulnerability (CVE-2018-1000613)

Contao Improper Encoding or Escaping of Output Vulnerability (CVE-2019-19714)

Ruby Cryptographic Issues Vulnerability (CVE-2012-5371)

MySQL CVE-2021-2122 Vulnerability (CVE-2021-2122)

Severity

High

Classification

CVE-2016-7412 CWE-119 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities