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 php56Upgrade php55 | 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 php56-zipUpgrade php70-zipUpgrade php70-mbstringUpgrade php55-wddxUpgrade php70-gdUpgrade php70-wddxUpgrade php56Upgrade php70Upgrade php70-pharUpgrade php56-mbstringUpgrade php55Upgrade php55-zipUpgrade php56-wddxUpgrade php55-gdUpgrade php56-pharUpgrade php56-gdUpgrade php55-mbstring | Dec 10, 2025 | Jun 25, 2016 |
| Huawei Euleros 2_0_sp2 | — | Upgrade php-pdoUpgrade php-processUpgrade php-mysqlUpgrade php-recodeUpgrade php-gdUpgrade php-xmlrpcUpgrade php-cliUpgrade php-xmlUpgrade php-pgsqlUpgrade php-odbcUpgrade php-commonUpgrade php-ldapUpgrade phpUpgrade php-soap | Sep 12, 2019 | Aug 7, 2016 |
| Huawei Euleros 2_0_sp3 | — | Upgrade php-ldapUpgrade php-odbcUpgrade php-pgsqlUpgrade php-soapUpgrade php-recodeUpgrade php-pdoUpgrade php-gdUpgrade phpUpgrade php-xmlUpgrade php-commonUpgrade php-cliUpgrade php-xmlrpcUpgrade php-mysqlUpgrade php-process | Sep 25, 2019 | Aug 7, 2016 |
| Huawei Euleros 2_0_sp5 | — | Upgrade php-xmlUpgrade php-mysqlUpgrade php-pdoUpgrade php-recodeUpgrade php-cliUpgrade php-xmlrpcUpgrade php-soapUpgrade php-pgsqlUpgrade php-odbcUpgrade php-ldapUpgrade php-commonUpgrade phpUpgrade php-processUpgrade php-gd | 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-shmopUpgrade php53-fastcgiUpgrade php53-zipUpgrade php53-tidyUpgrade php5-mcryptUpgrade php5-ctypeUpgrade php53-gmpUpgrade php5-xmlwriterUpgrade php5-imapUpgrade php53-posixUpgrade php53-xmlreaderUpgrade php53-wddxUpgrade php53-socketsUpgrade php5-bcmathUpgrade php53-calendarUpgrade php53-odbcUpgrade php5-jsonUpgrade php53-bz2Upgrade php5-posixUpgrade php5-iconvUpgrade php5-xmlreaderUpgrade php5-socketsUpgrade php5-pdoUpgrade php5-pharUpgrade apache2-mod_php53Upgrade php53-suhosinUpgrade php53-gettextUpgrade apache2-mod_php5Upgrade php5-sysvsemUpgrade php53-sysvmsgUpgrade php5-ftpUpgrade php53-ldapUpgrade php5-opensslUpgrade php53-iconvUpgrade php53-curlUpgrade php5-xmlrpcUpgrade php5-domUpgrade php53-soapUpgrade php53-sysvsemUpgrade php5-wddxUpgrade php5-pcntlUpgrade php5-fastcgiUpgrade php53-mbstringUpgrade php5-opcacheUpgrade php53-develUpgrade php5Upgrade php53-domUpgrade php53-pgsqlUpgrade php5-develUpgrade php5-zipUpgrade php5-xslUpgrade php5-gettextUpgrade php53-mysqlUpgrade php53-ftpUpgrade php53-imapUpgrade php53-bcmathUpgrade php53-mcryptUpgrade php53-opensslUpgrade php53-tokenizerUpgrade php53-gdUpgrade php5-pspellUpgrade php53-pcntlUpgrade php5-sysvmsgUpgrade php5-suhosinUpgrade php5-sysvshmUpgrade php5-ldapUpgrade php5-tokenizerUpgrade php5-mbstringUpgrade php53-xmlwriterUpgrade php5-dbaUpgrade php53-jsonUpgrade php5-pgsqlUpgrade php5-mysqlUpgrade php5-sqliteUpgrade php53-sysvshmUpgrade php5-fpmUpgrade php53-xmlrpcUpgrade php5-gmpUpgrade php53-exifUpgrade php5-soapUpgrade php5-fileinfoUpgrade php5-calendarUpgrade php5-bz2Upgrade php5-snmpUpgrade php53-pdoUpgrade php53Upgrade php5-curlUpgrade php5-gdUpgrade php53-readlineUpgrade php53-fileinfoUpgrade php53-intlUpgrade php53-zlibUpgrade php53-ctypeUpgrade php53-pearUpgrade php5-shmopUpgrade php5-pearUpgrade php53-sqliteUpgrade php53-xslUpgrade php5-zlibUpgrade php5-exifUpgrade php5-odbcUpgrade php5-enchantUpgrade php53-snmpUpgrade php53-dbaUpgrade php5-intlUpgrade php53-pspell | Jul 26, 2016 | Jul 20, 2016 |
| Ubuntu | — | Upgrade php5-fpmUpgrade php7.0-cliUpgrade libapache2-mod-php7.0Upgrade php7.0-cgiUpgrade php7.0-fpmUpgrade php5-cgiUpgrade libapache2-mod-php5Upgrade php5-cli | 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