The Quarterly Threat Landscape Report is out. See what attackers are targeting now.Read report
The zend_hash_init function in PHP 5 before 5.2.1 and PHP 4 before 4.4.5, when running on a 64-bit platform, allows context-dependent attackers to cause a denial of service (infinite loop) by unserializing certain integer expressions, which only cause 32-bit arguments to be used after the check for a negative value, as demonstrated by an "a:2147483649:{" argument.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade mod_phpUpgrade php4-hordeUpgrade php5-nmsUpgrade php5-imapUpgrade php5-wddxUpgrade mod_php5Upgrade mod_php4-twigUpgrade php4-cgiUpgrade php5-cliUpgrade php4-dtcUpgrade php4Upgrade php5-cgiUpgrade php4-shmopUpgrade php5Upgrade php5-dtcUpgrade php5-sessionUpgrade php4-odbcUpgrade php4-cliUpgrade php5-hordeUpgrade php4-sessionUpgrade php5-sqliteUpgrade php5-shmopUpgrade php4-wddxUpgrade php5-odbcUpgrade mod_php4Upgrade php4-nms | Dec 10, 2025 | Feb 17, 2007 |
| Gentoo Linux | — | Upgrade dev-lang/php. | Oct 30, 2017 | Feb 20, 2007 |
| Php | — | Upgrade to PHP version 4.4.5Upgrade to PHP version 5.2.1 | Oct 1, 2012 | Feb 20, 2007 |
| Suse | — | Upgrade php5-tidyUpgrade php4-shmopUpgrade php4-zlibUpgrade apache2-mod_php5Upgrade php4-imapUpgrade php4-domxmlUpgrade php5-ctypeUpgrade php4-qtdomUpgrade php5-mhashUpgrade php5-pgsqlUpgrade php4-exifUpgrade php5-tokenizerUpgrade php4-ctypeUpgrade php5-dbaUpgrade php5-pspellUpgrade php5-zlibUpgrade php4-sessionUpgrade php4-dbaUpgrade php4-mcryptUpgrade php5-gdUpgrade php5-curlUpgrade php5-xmlwriterUpgrade php4-socketsUpgrade php5-posixUpgrade php4-gdUpgrade mod_php4-coreUpgrade php5-ncursesUpgrade php5-exifUpgrade php4-mime_magicUpgrade php5-shmopUpgrade php4-dbaseUpgrade php5-soapUpgrade php4-fastcgiUpgrade php5-domUpgrade php4-mhashUpgrade php5-calendarUpgrade php5-snmpUpgrade php5-dbaseUpgrade php4-recodeUpgrade php4-gettextUpgrade php5-odbcUpgrade php5-bz2Upgrade php5-sqliteUpgrade php5-mbstringUpgrade php4-mysqlUpgrade php4-pearUpgrade php5-jsonUpgrade php5-xslUpgrade php4-ldapUpgrade php4-xsltUpgrade mod_php4-apache2Upgrade php4-gmpUpgrade php5-mysqlUpgrade php4-iconvUpgrade php5-pcntlUpgrade php5-xmlreaderUpgrade php5-zipUpgrade php5-ftpUpgrade php5-sysvsemUpgrade php5-sysvmsgUpgrade php5-mcryptUpgrade php4-swfUpgrade suse-releaseUpgrade php5-sysvshmUpgrade php5-wddxUpgrade php4-bz2Upgrade php4-sysvsemUpgrade php5-gettextUpgrade php5-develUpgrade php5-suhosinUpgrade php5-gmpUpgrade php4-mbstringUpgrade php5-opensslUpgrade php5-hashUpgrade php4-ypUpgrade php4-bcmathUpgrade php5-ldapUpgrade php5-pdoUpgrade php4-pgsqlUpgrade php5-iconvUpgrade php4-sysvshmUpgrade php5-bcmathUpgrade php5-socketsUpgrade mod_php4-servletUpgrade php4-develUpgrade php5-fastcgiUpgrade php4-unixODBCUpgrade php4-wddxUpgrade php4-readlineUpgrade php4-calendarUpgrade php4-snmpUpgrade php5-pearUpgrade php4-ftpUpgrade apache-mod_php4Upgrade apache2-mod_php4Upgrade php5-xmlrpcUpgrade php4-curlUpgrade php4-mcalUpgrade php5-imapUpgrade php4-filepro | Feb 17, 2015 | Feb 20, 2007 |
| Ubuntu | — | Upgrade libapache2-mod-php5Upgrade php5-cliUpgrade php5-odbcUpgrade php5-commonUpgrade php5-cgi | Nov 8, 2024 | Feb 20, 2007 |
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub