{"id":"UBUNTU-CVE-2022-4900","details":"A vulnerability was found in PHP where setting the environment variable PHP_CLI_SERVER_WORKERS to a large value leads to a heap buffer overflow.","modified":"2026-01-30T02:53:13.072637Z","published":"2023-11-02T16:15:00Z","related":["USN-6757-1","USN-6757-2"],"upstream":["CVE-2022-4900"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-4900"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-4900"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-4900"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6757-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6757-2"}],"affected":[{"package":{"name":"php7.4","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/php7.4@7.4.3-4ubuntu2.22?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.3-4ubuntu2.22"}]}],"versions":["7.4.3-4build1","7.4.3-4build2","7.4.3-4ubuntu1","7.4.3-4ubuntu1.1","7.4.3-4ubuntu2.2","7.4.3-4ubuntu2.4","7.4.3-4ubuntu2.5","7.4.3-4ubuntu2.6","7.4.3-4ubuntu2.7","7.4.3-4ubuntu2.8","7.4.3-4ubuntu2.9","7.4.3-4ubuntu2.10","7.4.3-4ubuntu2.11","7.4.3-4ubuntu2.12","7.4.3-4ubuntu2.13","7.4.3-4ubuntu2.15","7.4.3-4ubuntu2.16","7.4.3-4ubuntu2.17","7.4.3-4ubuntu2.18","7.4.3-4ubuntu2.19","7.4.3-4ubuntu2.20"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache2-mod-php7.4","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"libphp7.4-embed","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-bcmath","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-bz2","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-cgi","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-cli","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-common","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-curl","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-dba","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-dev","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-enchant","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-fpm","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-gd","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-gmp","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-imap","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-interbase","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-intl","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-json","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-ldap","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-mbstring","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-mysql","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-odbc","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-opcache","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-pgsql","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-phpdbg","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-pspell","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-readline","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-snmp","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-soap","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-sqlite3","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-sybase","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-tidy","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-xml","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-xmlrpc","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-xsl","binary_version":"7.4.3-4ubuntu2.22"},{"binary_name":"php7.4-zip","binary_version":"7.4.3-4ubuntu2.22"}],"availability":"No 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