Unrated severityNVD Advisory· Published Apr 1, 2020· Updated Sep 17, 2024
mb_strtolower (UTF-32LE): stack-buffer-overflow at php_unicode_tolower_full
CVE-2020-7065
Description
In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, 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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
8- usn.ubuntu.com/4330-1/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/4330-2/mitrevendor-advisoryx_refsource_UBUNTU
- www.debian.org/security/2020/dsa-4719mitrevendor-advisoryx_refsource_DEBIAN
- bugs.php.net/bug.phpmitrex_refsource_MISC
- security.netapp.com/advisory/ntap-20200403-0001/mitrex_refsource_CONFIRM
- www.oracle.com/security-alerts/cpuoct2021.htmlmitrex_refsource_MISC
- www.php.net/ChangeLog-7.phpmitrex_refsource_CONFIRM
- www.tenable.com/security/tns-2021-14mitrex_refsource_CONFIRM
News mentions
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