UBUNTU-CVE-2020-7065

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Source
https://ubuntu.com/security/CVE-2020-7065
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-7065.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-7065
Upstream
Downstream
Related
Published
2020-04-01T04:15:00Z
Modified
2025-09-08T16:45:59Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • 7.4 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:20.04:LTS / php7.4

Package

Name
php7.4
Purl
pkg:deb/ubuntu/php7.4@7.4.3-4ubuntu1.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.4.3-4ubuntu1.1

Affected versions

7.*

7.4.3-4build1
7.4.3-4build2
7.4.3-4ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libapache2-mod-php7.4",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "libphp7.4-embed",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-bcmath",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-bz2",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-cgi",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-cli",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-common",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-curl",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-dba",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-dev",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-enchant",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-fpm",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-gd",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-gmp",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-imap",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-interbase",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-intl",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-json",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-ldap",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-mbstring",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-mysql",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-odbc",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-opcache",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-pgsql",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-phpdbg",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-pspell",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-readline",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-snmp",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-soap",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-sqlite3",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-sybase",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-tidy",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-xml",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-xmlrpc",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-xsl",
            "binary_version": "7.4.3-4ubuntu1.1"
        },
        {
            "binary_name": "php7.4-zip",
            "binary_version": "7.4.3-4ubuntu1.1"
        }
    ],
    "availability": "No subscription required"
}