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Oracle MySQL before 5.7.3, Oracle MySQL Connector/C (aka libmysqlclient) before 6.1.3, and MariaDB before 5.5.44 use the --ssl option to mean that SSL is optional, which allows man-in-the-middle attackers to spoof servers via a cleartext-downgrade attack, aka a "BACKRONYM" attack.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade mariadb | Sep 20, 2017 | May 16, 2016 |
| Centos_linux | — | Upgrade mariadb-serverUpgrade mariadb-libsUpgrade mariadb-testUpgrade mariadb-embeddedUpgrade mariadb-develUpgrade mariadb-benchUpgrade mariadbUpgrade mariadb-embedded-devel | Dec 1, 2016 | May 16, 2016 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Jul 2, 2015 |
| Freebsd | — | Upgrade php5-mysqliUpgrade php5-mysqlUpgrade php56-mysqliUpgrade php56-mysqlUpgrade php55-mysqlUpgrade mariadb100-clientUpgrade mariadb55-clientUpgrade php55-mysqli | Dec 10, 2025 | Jul 13, 2015 |
| Mariadb Mariadb | — | Upgrade MariaDB to the latest version | Mar 4, 2025 | May 16, 2016 |
| Oracle Mysql | — | Upgrade to Oracle MySQL version 5.7.3Upgrade to Oracle MySQL version 6.1.3 | May 19, 2016 | May 16, 2016 |
| Oracle Solaris | — | Upgrade library/perl-5/dbd-mysql-526 to version 4048-11.4.3.0.1.4.0 on Solaris 11.4Upgrade library/perl-5/dbd-mysql to version 4048-11.4.3.0.1.4.0 on Solaris 11.4Upgrade library/perl-5/dbd-mysql-522 to version 4048-11.4.3.0.1.4.0 on Solaris 11.4 | Nov 19, 2018 | May 16, 2016 |
| Oracle_linux | — | Upgrade mariadbUpgrade mariadb-benchUpgrade mariadb-develUpgrade mariadb-serverUpgrade mariadb-libsUpgrade mariadb-embeddedUpgrade mariadb-embedded-develUpgrade mariadb-test | Oct 16, 2024 | May 16, 2016 |
| Php | — | Upgrade to PHP version 5.5.27Upgrade to PHP version 5.4.43Upgrade to PHP version 5.6.11 | Sep 15, 2022 | May 16, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 29, 2015 |
| Suse | — | Upgrade php7-calendarUpgrade php7-fastcgiUpgrade php53-xslUpgrade libmysql55client18-x86Upgrade mariadb-toolsUpgrade php7-develUpgrade php53-domUpgrade apache2-mod_php53Upgrade php53-ctypeUpgrade php7-bcmathUpgrade php7-enchantUpgrade libmysql55client18-32bitUpgrade php7-zlibUpgrade php7-shmopUpgrade php7-odbcUpgrade php53-fileinfoUpgrade php7-sodiumUpgrade php7-fileinfoUpgrade libmysqlclient-develUpgrade php7-mcryptUpgrade php53-bcmathUpgrade libmysqlclient18-32bitUpgrade php53-exifUpgrade libmysqlclient_r18Upgrade php7-ldapUpgrade php7-sysvsemUpgrade php53-intlUpgrade php7-snmpUpgrade php7-dbaUpgrade php7-curlUpgrade php53-zlibUpgrade php7-ctypeUpgrade mariadbUpgrade php7-pspellUpgrade php53-gmpUpgrade php53-ldapUpgrade mariadb-clientUpgrade php7-sysvshmUpgrade php72-develUpgrade php53-opensslUpgrade php7-opcacheUpgrade php7-mysqlUpgrade php53-snmpUpgrade php53-pearUpgrade php53-dbaUpgrade php7-pearUpgrade libmysqld18Upgrade php7-xmlwriterUpgrade php53-fastcgiUpgrade php53-xmlrpcUpgrade php53-tokenizerUpgrade php53-pspellUpgrade php7-zipUpgrade libmysql55client_r18-32bitUpgrade php53-jsonUpgrade php7-bz2Upgrade php53-odbcUpgrade php53-zipUpgrade php7-pear-archive_tarUpgrade php53-xmlreaderUpgrade php7-pharUpgrade php53-pgsqlUpgrade php7-posixUpgrade php7-socketsUpgrade php7-tokenizerUpgrade php7-readlineUpgrade php53-calendarUpgrade php7-xmlreaderUpgrade php7-pgsqlUpgrade php7-opensslUpgrade php53-sysvshmUpgrade php53-bz2Upgrade php53-sysvsemUpgrade php7-embedUpgrade php7-pcntlUpgrade php7-sqliteUpgrade php7-jsonUpgrade mysql-toolsUpgrade php53-pdoUpgrade php53-wddxUpgrade php7-sysvmsgUpgrade libmysqld-develUpgrade php7-xmlrpcUpgrade php53-mcryptUpgrade php53-soapUpgrade php53-mysqlUpgrade php7Upgrade php53-curlUpgrade mariadb-100-errormessagesUpgrade php7-iconvUpgrade php53-gdUpgrade apache2-mod_php7Upgrade libmysql55client_r18-x86Upgrade libmysqlclient18Upgrade libmysql55client_r18Upgrade php7-imapUpgrade php7-wddxUpgrade php7-soapUpgrade php53-pcntlUpgrade php7-tidyUpgrade mysqlUpgrade php7-gmpUpgrade php53-sysvmsgUpgrade php7-intlUpgrade php7-domUpgrade php53-mbstringUpgrade php53-gettextUpgrade php7-pdoUpgrade mariadb-errormessagesUpgrade php53-ftpUpgrade mysql-clientUpgrade php7-fpmUpgrade php53-xmlwriterUpgrade php7-mbstringUpgrade php53-iconvUpgrade php7-ftpUpgrade libmysql55client18Upgrade libmysqlclient_r18-32bitUpgrade php7-exifUpgrade php7-gettextUpgrade php53-suhosinUpgrade php53Upgrade php7-xslUpgrade php53-shmopUpgrade php7-gd | Dec 18, 2015 | Jul 21, 2015 |
| Ubuntu | — | Upgrade mariadb-10.0Upgrade mariadb-5.5 | Nov 19, 2024 | May 16, 2016 |
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