An adminer security update has been released for Debian GNU/Linux 9 LTS to address a server-side request forgery vulnerability.

DLA 2580-1: adminer security update

- -----------------------------------------------------------------------
Debian LTS Advisory DLA-2580-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Utkarsh Gupta
March 03, 2021   https://wiki.debian.org/LTS
- -----------------------------------------------------------------------

Package : adminer
Version : 4.2.5-3+deb9u2
CVE ID : CVE-2021-21311

Adminer is an open-source database management in a single PHP file.
In adminer from version 4.0.0 and before 4.7.9 there is a
server-side request forgery vulnerability. Users of Adminer versions
bundling all drivers (e.g. `adminer.php`) are affected.

For Debian 9 stretch, this problem has been fixed in version
4.2.5-3+deb9u2.

We recommend that you upgrade your adminer packages.

For the detailed security status of adminer please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/adminer

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