Debian: DSA-4176-1 Urgent: MySQL 5.5 Security Update - Critical Issues

https://www.oracle.com/security-alerts/cpuapr2018.html

For the oldstable distribution (jessie), these problems have been fixed
in version 5.5.60-0+deb8u1.

We recommend that you upgrade your mysql-5.5 packages.

For the detailed security status of mysql-5.5 please refer to its
security tracker page at:

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/