In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.34... · CVE-2020-7065 · GitHub Advisory Database · GitHub

In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.34...

Moderate severity Unreviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jan 29, 2023

Package

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Affected versions

Unknown

Patched versions

Unknown

Description

In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.34, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.

References

Published by the National Vulnerability Database

Apr 1, 2020

Published to the GitHub Advisory Database May 24, 2022

Last updated Jan 29, 2023