NetSight
medium5.0

CVE-2021-21704

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…

Impact

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.

Affected products

VendorProductAffected versions
PhpPhp
from 7.3.0 before 7.3.29
from 7.4.0 before 7.4.21
from 8.0.0 before 8.0.8
NetappClustered Data Ontap
All versions

Weakness classification

References