{"id":"UBUNTU-CVE-2017-12933","details":"The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP.","modified":"2026-04-22T12:01:24.341361Z","published":"2017-08-17T00:00:00Z","related":["USN-3566-1","USN-3566-2"],"upstream":["CVE-2017-12933"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-12933"},{"type":"REPORT","url":"http://php.net/ChangeLog-5.php"},{"type":"REPORT","url":"http://php.net/ChangeLog-7.php"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3566-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3566-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-12933"}],"affected":[{"package":{"name":"php5","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/php5@5.5.9+dfsg-1ubuntu4.23?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.5.9+dfsg-1ubuntu4.23"}]}],"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","5.5.9+dfsg-1ubuntu4.6","5.5.9+dfsg-1ubuntu4.7","5.5.9+dfsg-1ubuntu4.9","5.5.9+dfsg-1ubuntu4.11","5.5.9+dfsg-1ubuntu4.12","5.5.9+dfsg-1ubuntu4.13","5.5.9+dfsg-1ubuntu4.14","5.5.9+dfsg-1ubuntu4.16","5.5.9+dfsg-1ubuntu4.17","5.5.9+dfsg-1ubuntu4.19","5.5.9+dfsg-1ubuntu4.20","5.5.9+dfsg-1ubuntu4.21","5.5.9+dfsg-1ubuntu4.22"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libapache2-mod-php5","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_version":"5.5.9+dfsg-1ubuntu4.23","binary_name":"libapache2-mod-php5filter"},{"binary_version":"5.5.9+dfsg-1ubuntu4.23","binary_name":"libphp5-embed"},{"binary_name":"php-pear","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-cgi","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-cli","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-common","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-curl","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-enchant","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-fpm","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-gd","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-gmp","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-intl","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-ldap","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-mysql","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_version":"5.5.9+dfsg-1ubuntu4.23","binary_name":"php5-mysqlnd"},{"binary_name":"php5-odbc","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-pgsql","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-pspell","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-readline","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-recode","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-snmp","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_version":"5.5.9+dfsg-1ubuntu4.23","binary_name":"php5-sqlite"},{"binary_name":"php5-sybase","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_name":"php5-tidy","binary_version":"5.5.9+dfsg-1ubuntu4.23"},{"binary_version":"5.5.9+dfsg-1ubuntu4.23","binary_name":"php5-xmlrpc"},{"binary_name":"php5-xsl","binary_version":"5.5.9+dfsg-1ubuntu4.23"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-12933.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}