A phpmyadmin security update has been released for Debian GNU/Linux 8 LTS

Package : phpmyadmin
Version : 4:4.2.12-2+deb8u7
CVE ID : CVE-2019-19617

phpMyAdmin before 4.9.2 does not escape certain Git information, related to
libraries/display_git_revision.lib.php and libraries/Footer.class.php.

For Debian 8 "Jessie", this issue has been fixed in phpmyadmin version
4:4.2.12-2+deb8u7. This upload was prepared by Utkarsh Gupta

We recommend that you upgrade your phpmyadmin packages.

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