{"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":"2026-04-22T13:36:20.927622Z","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_version":"7.4.3-4ubuntu2.22","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-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"}],"availability":"No 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