spl_array.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 improperly interacts with the unserialize implementation and garbage collection, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and application crash) via crafted serialized data.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux | — | Upgrade php55Upgrade php56 | Aug 1, 2016 | Aug 1, 2016 |
| Apple Osx Apachemodphp | — | Upgrade macOS to the latest version | Nov 11, 2016 | Aug 7, 2016 |
| Debian | — | Upgrade php5Upgrade php7.0 | Jul 15, 2016 | Jul 14, 2016 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Dec 22, 2016 |
| Freebsd | — | Upgrade php56Upgrade php70-zipUpgrade php70-mbstringUpgrade php56-zipUpgrade php70-gdUpgrade php55-wddxUpgrade php70Upgrade php70-wddxUpgrade php56-mbstringUpgrade php70-pharUpgrade php55-mbstringUpgrade php56-pharUpgrade php55Upgrade php56-gdUpgrade php55-zipUpgrade php56-wddxUpgrade php55-gd | Dec 10, 2025 | Jun 25, 2016 |
| Huawei Euleros 2_0_sp2 | — | Upgrade php-odbcUpgrade php-ldapUpgrade php-commonUpgrade php-pgsqlUpgrade php-soapUpgrade phpUpgrade php-xmlUpgrade php-mysqlUpgrade php-cliUpgrade php-recodeUpgrade php-xmlrpcUpgrade php-gdUpgrade php-processUpgrade php-pdo | Sep 12, 2019 | Aug 7, 2016 |
| Huawei Euleros 2_0_sp3 | — | Upgrade php-mysqlUpgrade php-cliUpgrade php-xmlrpcUpgrade php-commonUpgrade php-processUpgrade php-pgsqlUpgrade php-odbcUpgrade php-gdUpgrade php-xmlUpgrade phpUpgrade php-pdoUpgrade php-ldapUpgrade php-recodeUpgrade php-soap | Sep 25, 2019 | Aug 7, 2016 |
| Huawei Euleros 2_0_sp5 | — | Upgrade phpUpgrade php-pgsqlUpgrade php-ldapUpgrade php-processUpgrade php-odbcUpgrade php-soapUpgrade php-commonUpgrade php-gdUpgrade php-pdoUpgrade php-mysqlUpgrade php-xmlUpgrade php-cliUpgrade php-recodeUpgrade php-xmlrpc | Aug 16, 2019 | Aug 7, 2016 |
| Php | — | Upgrade to PHP version 5.6.23Upgrade to PHP version 5.5.37 | Sep 9, 2016 | Aug 7, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 23, 2016 |
| Suse | — | Upgrade php53-fileinfoUpgrade php53-intlUpgrade php53-zlibUpgrade php5-sqliteUpgrade php53-sysvshmUpgrade php5-mbstringUpgrade php53-ctypeUpgrade php5-exifUpgrade php53-pspellUpgrade php53-snmpUpgrade php5-shmopUpgrade php53-sqliteUpgrade php5-mysqlUpgrade php53Upgrade php53-xslUpgrade php5-curlUpgrade php53-pearUpgrade php53-readlineUpgrade php53-pdoUpgrade php5-gdUpgrade php53-jsonUpgrade php5-pgsqlUpgrade php53-tokenizerUpgrade php53-gdUpgrade php53-mcryptUpgrade php5-fpmUpgrade php5-pspellUpgrade php5-sysvshmUpgrade php5-ldapUpgrade php5-zlibUpgrade php5-intlUpgrade php5-odbcUpgrade php5-bz2Upgrade php53-opensslUpgrade php5-pearUpgrade php5-tokenizerUpgrade php53-xmlrpcUpgrade php5-enchantUpgrade php5-calendarUpgrade php5-fileinfoUpgrade php53-dbaUpgrade php53-xmlwriterUpgrade php5-soapUpgrade php53-pcntlUpgrade php5-dbaUpgrade php53-exifUpgrade php5-suhosinUpgrade php5-sysvmsgUpgrade php5-gmpUpgrade php5-snmpUpgrade apache2-mod_php5Upgrade php5-posixUpgrade php53-soapUpgrade php5-pharUpgrade php53-gmpUpgrade php53-odbcUpgrade php53-zipUpgrade php5-xmlwriterUpgrade php53-shmopUpgrade php5-sysvsemUpgrade php53-xmlreaderUpgrade php5-xmlreaderUpgrade php53-socketsUpgrade php5-imapUpgrade php53-fastcgiUpgrade php5-mcryptUpgrade php53-wddxUpgrade php53-sysvsemUpgrade php53-calendarUpgrade php5-pdoUpgrade php53-bz2Upgrade php53-sysvmsgUpgrade php53-ldapUpgrade php53-tidyUpgrade php53-domUpgrade php53-pgsqlUpgrade php53-posixUpgrade php5-fastcgiUpgrade php53-curlUpgrade php53-mbstringUpgrade php5-jsonUpgrade php5-ftpUpgrade php53-bcmathUpgrade php53-suhosinUpgrade apache2-mod_php53Upgrade php5Upgrade php5-opensslUpgrade php5-ctypeUpgrade php5-socketsUpgrade php5-bcmathUpgrade php5-iconvUpgrade php53-ftpUpgrade php5-zipUpgrade php53-gettextUpgrade php53-develUpgrade php5-wddxUpgrade php5-opcacheUpgrade php5-pcntlUpgrade php5-gettextUpgrade php5-develUpgrade php53-iconvUpgrade php53-imapUpgrade php53-mysqlUpgrade php5-domUpgrade php5-xmlrpcUpgrade php5-xsl | Jul 26, 2016 | Jul 20, 2016 |
| Ubuntu | — | Upgrade php7.0-cgiUpgrade php7.0-fpmUpgrade php5-cgiUpgrade libapache2-mod-php5Upgrade php5-cliUpgrade php5-fpmUpgrade php7.0-cliUpgrade libapache2-mod-php7.0 | Aug 2, 2016 | Aug 2, 2016 |
Prioritise with Active Threat Intelligence
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