UBUNTU-CVE-2021-21706

Source
https://ubuntu.com/security/CVE-2021-21706
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-21706.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-21706
Upstream
Withdrawn
2025-07-18T16:46:38Z
Published
2021-10-04T04:15:00Z
Modified
2025-07-16T08:15:29.513484Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N CVSS Calculator
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N CVSS Calculator
  • Ubuntu - negligible
Summary
[none]
Details

In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS permissions.

References

Affected packages

Ubuntu:22.04:LTS / php8.1

Package

Name
php8.1
Purl
pkg:deb/ubuntu/php8.1@8.1.0-1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.1.0-1

Affected versions

8.*

8.1.0~rc4-1ubuntu2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libapache2-mod-php8.1",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "libapache2-mod-php8.1-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "libphp8.1-embed",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "libphp8.1-embed-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-bcmath",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-bcmath-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-bz2",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-bz2-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-cgi",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-cgi-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-cli",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-cli-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-common",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-common-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-curl",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-curl-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-dba",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-dba-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-dev",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-enchant",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-enchant-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-fpm",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-fpm-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-gd",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-gd-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-gmp",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-gmp-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-imap",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-imap-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-interbase",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-interbase-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-intl",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-intl-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-ldap",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-ldap-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-mbstring",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-mbstring-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-mysql",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-mysql-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-odbc",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-odbc-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-opcache",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-opcache-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-pgsql",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-pgsql-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-phpdbg",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-phpdbg-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-pspell",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-pspell-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-readline",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-readline-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-snmp",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-snmp-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-soap",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-soap-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-sqlite3",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-sqlite3-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-sybase",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-sybase-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-tidy",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-tidy-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-xml",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-xml-dbgsym",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-xsl",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-zip",
            "binary_version": "8.1.0-1"
        },
        {
            "binary_name": "php8.1-zip-dbgsym",
            "binary_version": "8.1.0-1"
        }
    ]
}