The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 modifies certain data structures without considering whether they are copies of the _zero_, _one_, or _two_ global variable, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.0 Vector: (CVSS:3.0/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 |
|---|---|---|---|---|
| Debian | — | Upgrade php7.0Upgrade php5 | Jun 14, 2016 | May 21, 2016 |
| Gentoo Linux | — | Upgrade dev-lang/php. | Oct 30, 2017 | May 21, 2016 |
| Hpsmh | — | Upgrade to the latest version of HP System Management Homepage | Oct 27, 2016 | May 21, 2016 |
| Huawei Euleros 2_0_sp2 | — | Upgrade php-xmlrpcUpgrade php-pgsqlUpgrade php-recodeUpgrade php-cliUpgrade php-mysqlUpgrade php-processUpgrade phpUpgrade php-commonUpgrade php-gdUpgrade php-ldapUpgrade php-xmlUpgrade php-soapUpgrade php-pdoUpgrade php-odbc | Sep 12, 2019 | May 22, 2016 |
| Huawei Euleros 2_0_sp3 | — | Upgrade php-xmlUpgrade php-xmlrpcUpgrade php-gdUpgrade php-pdoUpgrade php-mysqlUpgrade php-commonUpgrade php-processUpgrade php-cliUpgrade php-pgsqlUpgrade php-soapUpgrade php-ldapUpgrade phpUpgrade php-odbcUpgrade php-recode | Sep 25, 2019 | May 22, 2016 |
| Huawei Euleros 2_0_sp5 | — | Upgrade php-pdoUpgrade php-commonUpgrade php-soapUpgrade php-ldapUpgrade php-mysqlUpgrade php-odbcUpgrade php-pgsqlUpgrade php-cliUpgrade php-processUpgrade php-xmlUpgrade phpUpgrade php-gdUpgrade php-xmlrpcUpgrade php-recode | Aug 16, 2019 | May 22, 2016 |
| Php | — | Upgrade to PHP version 7.0.6Upgrade to PHP version 5.6.21Upgrade to PHP version 5.5.35 | Jun 3, 2016 | May 21, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 24, 2016 |
| Suse | — | Upgrade php5-gettextUpgrade php5-xmlreaderUpgrade php53-wddxUpgrade php5-jsonUpgrade php53-sqliteUpgrade php53-odbcUpgrade php53-shmopUpgrade php53-pdoUpgrade php53-gdUpgrade php53-socketsUpgrade php53-iconvUpgrade php53-calendarUpgrade php5-xmlwriterUpgrade php5-mcryptUpgrade php5-domUpgrade php53-ctypeUpgrade php53-tidyUpgrade php5-ldapUpgrade php5-sysvmsgUpgrade php5-xslUpgrade php5-pearUpgrade php5-sysvsemUpgrade php5-opensslUpgrade php53-mbstringUpgrade php53-ldapUpgrade php53-xmlreaderUpgrade php5-xmlrpcUpgrade php53-sysvsemUpgrade php53-mcryptUpgrade php5-zipUpgrade php5-ftpUpgrade php53-develUpgrade php53-ftpUpgrade php53-suhosinUpgrade php5-iconvUpgrade php53-sysvshmUpgrade php5-mysqlUpgrade php53-imapUpgrade php53-soapUpgrade php5-intlUpgrade php5-fastcgiUpgrade php5-gmpUpgrade php53-fileinfoUpgrade php5-wddxUpgrade php53-sysvmsgUpgrade php5Upgrade php53-curlUpgrade php5-bcmathUpgrade php5-socketsUpgrade php5-ctypeUpgrade php5-pdoUpgrade php53-readlineUpgrade php5-pharUpgrade php5-mbstringUpgrade php53-pearUpgrade php5-enchantUpgrade php53-zlibUpgrade php5-bz2Upgrade apache2-mod_php53Upgrade php53-pgsqlUpgrade php5-calendarUpgrade php5-odbcUpgrade php53-exifUpgrade apache2-mod_php5Upgrade php5-pgsqlUpgrade php53-pcntlUpgrade php53-intlUpgrade php53-gmpUpgrade php53-fastcgiUpgrade php53-xmlrpcUpgrade php53-opensslUpgrade php5-opcacheUpgrade php53-posixUpgrade php5-exifUpgrade php5-zlibUpgrade php5-pcntlUpgrade php53-tokenizerUpgrade php5-sysvshmUpgrade php53-jsonUpgrade php5-tokenizerUpgrade php5-develUpgrade php5-gdUpgrade php5-soapUpgrade php53-dbaUpgrade php53-pspellUpgrade php5-posixUpgrade php53-xslUpgrade php53-zipUpgrade php5-curlUpgrade php53-bcmathUpgrade php5-snmpUpgrade php5-pspellUpgrade php53-domUpgrade php53Upgrade php53-bz2Upgrade php5-dbaUpgrade php53-snmpUpgrade php5-fileinfoUpgrade php53-mysqlUpgrade php53-gettextUpgrade php5-shmopUpgrade php5-fpmUpgrade php5-sqliteUpgrade php5-suhosinUpgrade php53-xmlwriter | May 21, 2016 | May 21, 2016 |
| Ubuntu | — | Upgrade php7.0-cgiUpgrade libapache2-mod-php5Upgrade php7.0-fpmUpgrade php5-cgiUpgrade php5-fpmUpgrade php5-cliUpgrade php7.0-cliUpgrade libapache2-mod-php7.0 | May 24, 2016 | May 21, 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