vulnerability

Amazon Linux AMI: CVE-2021-21704: Security patch for php73 (ALAS-2021-1532)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
2021-07-07
Added
2021-09-09
Modified
2022-10-14

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.

Solution

amazon-linux-upgrade-php73
Title
NEW

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