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-ldapUpgrade php-mysqlndUpgrade oniguruma-debuginfoUpgrade oniguruma-develUpgrade php-intlUpgrade php-gdUpgrade php-enchantUpgrade php-processUpgrade php-embeddedUpgrade onigurumaUpgrade php-recodeUpgrade php-cliUpgrade php-snmpUpgrade phpUpgrade php-xmlUpgrade php-debuginfoUpgrade php-soapUpgrade php-odbcUpgrade php-dbaUpgrade php-mbstringUpgrade php-xmlrpcUpgrade php-fpmUpgrade php-pspellUpgrade php-pgsqlUpgrade php-bcmathUpgrade php-develUpgrade php-commonUpgrade php-pdo | 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 oniguruma6Upgrade php56-mbstringUpgrade php70-mbstringUpgrade oniguruma5Upgrade php71-mbstringUpgrade oniguruma4Upgrade libevhtp | Jul 7, 2017 | Jul 7, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade php-pgsqlUpgrade php-soapUpgrade php-commonUpgrade php-odbcUpgrade php-ldapUpgrade php-pdoUpgrade php-mysqlUpgrade php-recodeUpgrade php-processUpgrade php-xmlrpcUpgrade phpUpgrade php-xmlUpgrade php-gdUpgrade php-cli | Dec 4, 2019 | May 24, 2017 |
| Huawei Euleros 2_0_sp3 | — | Upgrade php-recodeUpgrade php-mysqlUpgrade php-cliUpgrade php-commonUpgrade php-processUpgrade php-xmlrpcUpgrade php-xmlUpgrade php-odbcUpgrade php-ldapUpgrade php-gdUpgrade phpUpgrade php-pdoUpgrade php-soapUpgrade php-pgsql | Dec 18, 2019 | May 24, 2017 |
| Huawei Euleros 2_0_sp5 | — | Upgrade ruby-irbUpgrade rubyUpgrade ruby-libs | Sep 24, 2019 | May 24, 2017 |
| Huawei Euleros 2_0_sp8 | — | Upgrade oniguruma | Sep 30, 2019 | May 24, 2017 |
| Oracle Solaris | — | Upgrade library/oniguruma to version 6.1.1.1-11.4.2.0.1.2.0 on Solaris 11.4Upgrade runtime/ruby-23/ruby-tk to version 2.3.8-11.4.6.0.1.1.0 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 php5-dbaUpgrade php7-gdUpgrade php7-xslUpgrade php7-imapUpgrade php7-sysvshmUpgrade php7-fpmUpgrade php53-pdoUpgrade php53-pearUpgrade php5-soapUpgrade ruby2.1Upgrade php7-xmlwriterUpgrade php5-mcryptUpgrade php5-develUpgrade php53-socketsUpgrade php53-sysvshmUpgrade php5-opcacheUpgrade php5-gmpUpgrade php53-mysqlUpgrade php7-zipUpgrade php5-sqliteUpgrade php7-exifUpgrade ruby2.1-develUpgrade php7-opcacheUpgrade php7-pearUpgrade php7-pdoUpgrade php7-xmlrpcUpgrade php7-curlUpgrade yast2-ruby-bindingsUpgrade php53-bz2Upgrade php53-mbstringUpgrade php5-ldapUpgrade libruby2_1-2_1Upgrade php7-mcryptUpgrade php53-fastcgiUpgrade php7-intlUpgrade php53-odbcUpgrade php7-gmpUpgrade php5-mysqlUpgrade php7Upgrade php5-intlUpgrade php7-soapUpgrade php5-sysvsemUpgrade php7-gettextUpgrade php53-xmlreaderUpgrade apache2-mod_php5Upgrade php5Upgrade php53-pgsqlUpgrade php53-bcmathUpgrade php5-bz2Upgrade ruby2.1-stdlibUpgrade php5-ftpUpgrade php5-enchantUpgrade php7-domUpgrade php53-sqliteUpgrade php5-shmopUpgrade php53-shmopUpgrade php53-readlineUpgrade php7-bz2Upgrade php53-gdUpgrade php53-iconvUpgrade php5-jsonUpgrade php7-posixUpgrade php5-pcntlUpgrade php53-dbaUpgrade php5-odbcUpgrade php53-zlibUpgrade php5-xmlreaderUpgrade php5-bcmathUpgrade php53-imapUpgrade php53-ldapUpgrade php5-fastcgiUpgrade php53-xslUpgrade php53-mcryptUpgrade php5-curlUpgrade php5-calendarUpgrade php7-pspellUpgrade php53-gmpUpgrade php7-pcntlUpgrade php53-gettextUpgrade php53-snmpUpgrade php5-pdoUpgrade php53-calendarUpgrade php7-xmlreaderUpgrade php5-pharUpgrade php5-opensslUpgrade php7-dbaUpgrade php5-pspellUpgrade php53-zipUpgrade php53-sysvsemUpgrade php7-ldapUpgrade php53-exifUpgrade php5-imapUpgrade php7-zlibUpgrade php7-snmpUpgrade php5-iconvUpgrade php53-fileinfoUpgrade apache2-mod_php7Upgrade php5-fileinfoUpgrade php7-mbstringUpgrade php5-xmlwriterUpgrade php53-jsonUpgrade php5-xmlrpcUpgrade php53-sysvmsgUpgrade php7-pharUpgrade php7-wddxUpgrade php7-calendarUpgrade php7-jsonUpgrade php7-sqliteUpgrade php7-tokenizerUpgrade php7-odbcUpgrade php7-sysvmsgUpgrade php7-mysqlUpgrade php7-shmopUpgrade php53-suhosinUpgrade php53-posixUpgrade php53-xmlrpcUpgrade php53-intlUpgrade php7-pgsqlUpgrade php7-fastcgiUpgrade php5-pearUpgrade php53-opensslUpgrade php53-xmlwriterUpgrade php53Upgrade php5-zlibUpgrade php5-tokenizerUpgrade php53-ctypeUpgrade php5-gdUpgrade php5-xslUpgrade php53-tokenizerUpgrade php5-sysvmsgUpgrade php5-exifUpgrade php7-ctypeUpgrade php7-socketsUpgrade php53-ftpUpgrade php7-ftpUpgrade php5-posixUpgrade php7-develUpgrade php53-soapUpgrade php5-zipUpgrade php5-ctypeUpgrade php5-wddxUpgrade php5-gettextUpgrade php7-pear-archive_tarUpgrade php7-enchantUpgrade php7-bcmathUpgrade php53-curlUpgrade php7-opensslUpgrade php5-socketsUpgrade php5-sysvshmUpgrade php5-mbstringUpgrade php7-fileinfoUpgrade php5-fpmUpgrade php53-tidyUpgrade php5-suhosinUpgrade php7-sysvsemUpgrade php53-pspellUpgrade php5-snmpUpgrade apache2-mod_php53Upgrade php53-wddxUpgrade php53-domUpgrade php5-pgsqlUpgrade php7-iconvUpgrade php53-develUpgrade php5-domUpgrade php53-pcntl | Dec 7, 2017 | May 24, 2017 |
| Ubuntu | — | Upgrade php7.0-fpmUpgrade php5Upgrade php5-fpmUpgrade libapache2-mod-php5Upgrade php5-cgiUpgrade libapache2-mod-php7.0Upgrade php7.0-cliUpgrade php5-cliUpgrade php7.0-cgi | 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