vulnerability
Ubuntu: (Multiple Advisories) (CVE-2020-7065): PHP vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Apr 1, 2020 | Apr 16, 2020 | Aug 18, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Apr 1, 2020
Added
Apr 16, 2020
Modified
Aug 18, 2025
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.
Solutions
ubuntu-upgrade-libapache2-mod-php7-3ubuntu-upgrade-libapache2-mod-php7-4ubuntu-upgrade-php7-3-cgiubuntu-upgrade-php7-3-cliubuntu-upgrade-php7-3-fpmubuntu-upgrade-php7-3-mbstringubuntu-upgrade-php7-4-cgiubuntu-upgrade-php7-4-cliubuntu-upgrade-php7-4-fpmubuntu-upgrade-php7-4-mbstring
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