Detections
Analytics
CVE-2021-21704
medium
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.
References
https://security.netapp.com/advisory/ntap-20211029-0006/
https://security.gentoo.org/glsa/202209-20
https://bugs.php.net/bug.php?id=76452
https://bugs.php.net/bug.php?id=76450