{"id":"UBUNTU-CVE-2015-0231","details":"Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.37, 5.5.x before 5.5.21, and 5.6.x before 5.6.5 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate numerical keys within the serialized properties of an object. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8142.","modified":"2026-01-30T01:05:52.742159Z","published":"2015-01-27T00:00:00Z","related":["USN-2501-1"],"upstream":["CVE-2015-0231"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-0231"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2501-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-0231"}],"affected":[{"package":{"name":"php5","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/php5@5.5.9+dfsg-1ubuntu4.6?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.5.9+dfsg-1ubuntu4.6"}]}],"versions":["5.5.3+dfsg-1ubuntu2","5.5.3+dfsg-1ubuntu3","5.5.6+dfsg-1ubuntu1","5.5.6+dfsg-1ubuntu2","5.5.8+dfsg-2ubuntu1","5.5.9+dfsg-1ubuntu1","5.5.9+dfsg-1ubuntu2","5.5.9+dfsg-1ubuntu3","5.5.9+dfsg-1ubuntu4","5.5.9+dfsg-1ubuntu4.1","5.5.9+dfsg-1ubuntu4.2","5.5.9+dfsg-1ubuntu4.3","5.5.9+dfsg-1ubuntu4.4","5.5.9+dfsg-1ubuntu4.5"],"ecosystem_specific":{"binaries":[{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"libapache2-mod-php5"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"libapache2-mod-php5filter"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"libphp5-embed"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php-pear"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-cgi"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-cli"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-common"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-curl"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-dev"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-enchant"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-fpm"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-gd"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-gmp"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-intl"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-ldap"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-mysql"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-mysqlnd"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-odbc"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-pgsql"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-pspell"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-readline"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-recode"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-snmp"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-sqlite"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-sybase"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-tidy"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-xmlrpc"},{"binary_version":"5.5.9+dfsg-1ubuntu4.6","binary_name":"php5-xsl"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-0231.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"low"}]}