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PHP Vulnerability: CVE-2021-21704

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PHP Vulnerability: CVE-2021-21704

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
10/04/2021
Created
12/01/2021
Added
11/30/2021
Modified
11/30/2021

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(s)

  • php-upgrade-7_3_28
  • php-upgrade-7_4_20
  • php-upgrade-8_0_7

References

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