CVE Catalog

CVE-2016-7412

High
Published: Translated: NVD NIST

Summary

In PHP before version 5.6.26 and 7.x before 7.0.11, there is a vulnerability that does not verify that a BIT field has the UNSIGNED_FLAG flag. This can lead to remote denial of service (heap-based buffer overflow) or possibly other unspecified impacts via crafted field metadata.

Risk Assessment

Organizations may be exposed to attacks that lead to system crashes or other unforeseen issues, potentially affecting service availability.

Recommendation

It is recommended to upgrade PHP to version 5.6.26 or 7.0.11 and to monitor systems for potential attempts to exploit this vulnerability.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS