CVE ID:	CVE-2021-21704
Description:	In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using Firebird PDO driver extension, a malicious database server could cause crashes in various database functions, such as getAttribute(), execute(), fetch() and others by returning invalid response data that is not parsed correctly by the driver. This can result in crashes, denial of service or potentially memory corruption.
Test IDs:	1.3.6.1.4.1.25623.1.1.4.2021.2795.1   1.3.6.1.4.1.25623.1.1.4.2021.2638.1   1.3.6.1.4.1.25623.1.0.854086   1.3.6.1.4.1.25623.1.0.892708
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-21704 https://security.gentoo.org/glsa/202209-20 https://bugs.php.net/bug.php?id=76448 https://bugs.php.net/bug.php?id=76448 https://bugs.php.net/bug.php?id=76449 https://bugs.php.net/bug.php?id=76449 https://bugs.php.net/bug.php?id=76450 https://bugs.php.net/bug.php?id=76450 https://bugs.php.net/bug.php?id=76452 https://bugs.php.net/bug.php?id=76452