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.
CVSS Details
- CVSS 3.1 Base Score: 5.9
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade mariadb | Sep 20, 2017 | May 16, 2016 |
| Centos_linux | — | Upgrade mariadb-develUpgrade mariadbUpgrade mariadb-embedded-develUpgrade mariadb-benchUpgrade mariadb-serverUpgrade mariadb-embeddedUpgrade mariadb-testUpgrade mariadb-libs | 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 php56-mysqliUpgrade php5-mysqlUpgrade php55-mysqlUpgrade php55-mysqliUpgrade mariadb55-clientUpgrade mariadb100-clientUpgrade php56-mysql | 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 6.1.3Upgrade to Oracle MySQL version 5.7.3 | 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 mariadb-testUpgrade mariadb-libsUpgrade mariadb-embedded-develUpgrade mariadb-develUpgrade mariadb-benchUpgrade mariadbUpgrade mariadb-embeddedUpgrade mariadb-server | Oct 16, 2024 | May 16, 2016 |
| Php | — | Upgrade to PHP version 5.6.11Upgrade to PHP version 5.4.43Upgrade to PHP version 5.5.27 | Sep 15, 2022 | May 16, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 29, 2015 |
| Suse | — | Upgrade php7-fastcgiUpgrade php53-xslUpgrade php53-ldapUpgrade php7-enchantUpgrade php53-jsonUpgrade php7-pspellUpgrade libmysql55client_r18-32bitUpgrade php7-sysvshmUpgrade libmysqlclient-develUpgrade mariadb-toolsUpgrade mariadbUpgrade php7-mcryptUpgrade php7-sysvsemUpgrade php53-opensslUpgrade php7-calendarUpgrade php7-develUpgrade libmysqlclient18-32bitUpgrade libmysqlclient_r18Upgrade php7-sodiumUpgrade php53-bcmathUpgrade php53-exifUpgrade php53-ctypeUpgrade php7-shmopUpgrade php7-fileinfoUpgrade apache2-mod_php53Upgrade php7-opcacheUpgrade php72-develUpgrade php7-odbcUpgrade php7-zlibUpgrade libmysql55client18-x86Upgrade php7-ctypeUpgrade libmysql55client18-32bitUpgrade php7-ldapUpgrade mariadb-clientUpgrade libmysqld18Upgrade php7-snmpUpgrade php53-fileinfoUpgrade php7-curlUpgrade php7-bcmathUpgrade php7-xmlwriterUpgrade php53-snmpUpgrade php7-zipUpgrade php53-dbaUpgrade php53-domUpgrade php53-fastcgiUpgrade php53-gmpUpgrade php53-intlUpgrade php53-tokenizerUpgrade php7-dbaUpgrade php53-pearUpgrade php53-xmlrpcUpgrade php7-pearUpgrade php53-pspellUpgrade php7-mysqlUpgrade php53-zlibUpgrade php7-opensslUpgrade php53-mbstringUpgrade php53-iconvUpgrade php7-pdoUpgrade php7-iconvUpgrade php7-soapUpgrade php53-pcntlUpgrade php7-gmpUpgrade mysqlUpgrade php7-tidyUpgrade libmysql55client_r18Upgrade php53-shmopUpgrade mysql-toolsUpgrade php7-bz2Upgrade php53-calendarUpgrade php53-odbcUpgrade php53-bz2Upgrade php7-intlUpgrade php53-sysvsemUpgrade php7-embedUpgrade php7-sqliteUpgrade php7-jsonUpgrade php7-pcntlUpgrade libmysql55client18Upgrade php53-sysvmsgUpgrade mariadb-errormessagesUpgrade php7-imapUpgrade mysql-clientUpgrade php7-gettextUpgrade php53-gettextUpgrade php7-pear-archive_tarUpgrade php7-socketsUpgrade php53-ftpUpgrade php7-tokenizerUpgrade php53-sysvshmUpgrade libmysqlclient18Upgrade php53-xmlreaderUpgrade php53-soapUpgrade php7-posixUpgrade php53-mysqlUpgrade php53-suhosinUpgrade php7-pharUpgrade php7-xmlreaderUpgrade apache2-mod_php7Upgrade php7-exifUpgrade php53-gdUpgrade php7Upgrade php7-wddxUpgrade php53-pgsqlUpgrade php7-ftpUpgrade php7-gdUpgrade php53-curlUpgrade php7-fpmUpgrade php53-pdoUpgrade libmysql55client_r18-x86Upgrade php7-xmlrpcUpgrade php7-readlineUpgrade libmysqld-develUpgrade php53-mcryptUpgrade php7-sysvmsgUpgrade php53Upgrade php53-wddxUpgrade php7-domUpgrade mariadb-100-errormessagesUpgrade php7-pgsqlUpgrade php53-xmlwriterUpgrade libmysqlclient_r18-32bitUpgrade php7-mbstringUpgrade php53-zipUpgrade php7-xsl | Dec 18, 2015 | Jul 21, 2015 |
| Ubuntu | — | Upgrade mariadb-5.5Upgrade mariadb-10.0 | Nov 19, 2024 | May 16, 2016 |
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