An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A heap out-of-bounds write occurs in bitset_set_range() during regular expression compilation due to an uninitialized variable from an incorrect state transition. An incorrect state transition in parse_char_class() could create an execution path that leaves a critical local variable uninitialized until it's used as an index, resulting in an out-of-bounds write memory corruption.
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 |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade php7Upgrade php5 | Sep 20, 2017 | May 24, 2017 |
| Amazon Linux Ami 2 | — | Upgrade php-embeddedUpgrade onigurumaUpgrade php-ldapUpgrade php-xmlUpgrade php-mysqlndUpgrade php-enchantUpgrade php-gdUpgrade phpUpgrade php-cliUpgrade php-debuginfoUpgrade php-snmpUpgrade oniguruma-develUpgrade php-intlUpgrade oniguruma-debuginfoUpgrade php-recodeUpgrade php-processUpgrade php-pspellUpgrade php-commonUpgrade php-pdoUpgrade php-dbaUpgrade php-soapUpgrade php-fpmUpgrade php-mbstringUpgrade php-pgsqlUpgrade php-bcmathUpgrade php-develUpgrade php-xmlrpcUpgrade php-odbc | Oct 23, 2023 | May 24, 2017 |
| Amazon_linux | — | Upgrade php56Upgrade php70 | Aug 4, 2017 | May 24, 2017 |
| Debian | — | Upgrade libonig | May 28, 2017 | May 24, 2017 |
| Freebsd | — | Upgrade oniguruma4Upgrade libevhtpUpgrade php71-mbstringUpgrade oniguruma5Upgrade php56-mbstringUpgrade oniguruma6Upgrade php70-mbstring | Jul 7, 2017 | Jul 7, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade php-mysqlUpgrade php-pdoUpgrade php-commonUpgrade php-odbcUpgrade php-pgsqlUpgrade php-soapUpgrade php-ldapUpgrade php-processUpgrade php-cliUpgrade php-xmlrpcUpgrade php-gdUpgrade php-recodeUpgrade phpUpgrade php-xml | Dec 4, 2019 | May 24, 2017 |
| Huawei Euleros 2_0_sp3 | — | Upgrade php-soapUpgrade php-pgsqlUpgrade php-pdoUpgrade php-odbcUpgrade php-gdUpgrade php-xmlUpgrade php-ldapUpgrade phpUpgrade php-xmlrpcUpgrade php-commonUpgrade php-recodeUpgrade php-processUpgrade php-cliUpgrade php-mysql | Dec 18, 2019 | May 24, 2017 |
| Huawei Euleros 2_0_sp5 | — | Upgrade rubyUpgrade ruby-irbUpgrade ruby-libs | Sep 24, 2019 | May 24, 2017 |
| Huawei Euleros 2_0_sp8 | — | Upgrade oniguruma | Sep 30, 2019 | May 24, 2017 |
| Oracle Solaris | — | Upgrade runtime/ruby-23/ruby-tk to version 2.3.8-11.4.6.0.1.1.0 on Solaris 11.4Upgrade library/oniguruma to version 6.1.1.1-11.4.2.0.1.2.0 on Solaris 11.4Upgrade runtime/ruby-23 to version 2.3.8-11.4.6.0.1.1.0 on Solaris 11.4 | Oct 19, 2018 | May 24, 2017 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 23, 2017 |
| Suse | — | Upgrade php7-intlUpgrade php7-pdoUpgrade php7-curlUpgrade php7-xmlrpcUpgrade php53-odbcUpgrade php53-ldapUpgrade php53-mbstringUpgrade php53-sqliteUpgrade php7-mcryptUpgrade php5-sysvsemUpgrade yast2-ruby-bindingsUpgrade php53-gmpUpgrade php7Upgrade php7-gmpUpgrade php53-dbaUpgrade php53-mysqlUpgrade php5-mysqlUpgrade php53-fastcgiUpgrade php5-fastcgiUpgrade php7-sysvshmUpgrade ruby2.1-develUpgrade php53-snmpUpgrade php5-intlUpgrade php5-gmpUpgrade php53-gettextUpgrade php53-pearUpgrade php7-gdUpgrade php7-fpmUpgrade php5Upgrade php7-opcacheUpgrade php53-zlibUpgrade php53-pdoUpgrade php7-xslUpgrade php7-soapUpgrade php5-pdoUpgrade libruby2_1-2_1Upgrade php5-pcntlUpgrade php53-iconvUpgrade apache2-mod_php5Upgrade php5-bcmathUpgrade php5-curlUpgrade php5-xmlreaderUpgrade php5-odbcUpgrade php53-sysvshmUpgrade php7-pcntlUpgrade php53-xslUpgrade php53-imapUpgrade php7-pspellUpgrade php5-mcryptUpgrade php5-jsonUpgrade php5-soapUpgrade php5-calendarUpgrade php53-mcryptUpgrade ruby2.1Upgrade php7-pearUpgrade php7-posixUpgrade php53-bcmathUpgrade php7-xmlreaderUpgrade php5-ldapUpgrade php53-bz2Upgrade php7-xmlwriterUpgrade php7-bz2Upgrade php53-readlineUpgrade php7-imapUpgrade php5-sqliteUpgrade php5-opcacheUpgrade php53-xmlreaderUpgrade php5-dbaUpgrade php5-enchantUpgrade php53-gdUpgrade php7-exifUpgrade php5-develUpgrade php53-socketsUpgrade php7-gettextUpgrade php5-pharUpgrade php53-shmopUpgrade ruby2.1-stdlibUpgrade php7-domUpgrade php5-bz2Upgrade php5-shmopUpgrade php7-zipUpgrade php53-pgsqlUpgrade php5-ftpUpgrade php53-calendarUpgrade php7-iconvUpgrade php7-dbaUpgrade php7-fastcgiUpgrade php5-pearUpgrade php53-posixUpgrade php7-pgsqlUpgrade php53-xmlwriterUpgrade php7-wddxUpgrade php53-opensslUpgrade php5-xmlrpcUpgrade php5-xmlwriterUpgrade php7-shmopUpgrade php5-pgsqlUpgrade php7-bcmathUpgrade php53-domUpgrade php53-wddxUpgrade php53-develUpgrade apache2-mod_php53Upgrade php53-tidyUpgrade php5-snmpUpgrade php53-curlUpgrade php7-ftpUpgrade php7-enchantUpgrade php5-zlibUpgrade php5-gdUpgrade php5-domUpgrade php5-opensslUpgrade php53-sysvsemUpgrade php53Upgrade php7-snmpUpgrade php5-xslUpgrade php5-suhosinUpgrade php7-sysvsemUpgrade php7-mysqlUpgrade php5-gettextUpgrade php5-zipUpgrade php7-pear-archive_tarUpgrade php53-exifUpgrade php7-zlibUpgrade php7-ldapUpgrade php7-develUpgrade php7-opensslUpgrade php7-fileinfoUpgrade php53-tokenizerUpgrade php5-exifUpgrade php7-odbcUpgrade php5-fpmUpgrade php5-mbstringUpgrade php53-pcntlUpgrade php5-iconvUpgrade php5-imapUpgrade php5-socketsUpgrade php53-zipUpgrade php5-sysvshmUpgrade php5-pspellUpgrade php7-sysvmsgUpgrade php7-tokenizerUpgrade php5-ctypeUpgrade php53-pspellUpgrade php5-tokenizerUpgrade php5-sysvmsgUpgrade php53-soapUpgrade php7-ctypeUpgrade php5-posixUpgrade php5-wddxUpgrade php53-ftpUpgrade php7-socketsUpgrade php53-ctypeUpgrade php7-pharUpgrade php5-fileinfoUpgrade php53-sysvmsgUpgrade apache2-mod_php7Upgrade php53-fileinfoUpgrade php7-mbstringUpgrade php53-jsonUpgrade php7-calendarUpgrade php7-sqliteUpgrade php7-jsonUpgrade php53-xmlrpcUpgrade php53-suhosinUpgrade php53-intl | Dec 7, 2017 | May 24, 2017 |
| Ubuntu | — | Upgrade php5Upgrade php5-fpmUpgrade php7.0-fpmUpgrade php7.0-cliUpgrade php5-cgiUpgrade php7.0-cgiUpgrade php5-cliUpgrade libapache2-mod-php7.0Upgrade libapache2-mod-php5 | Aug 10, 2017 | May 24, 2017 |
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