A libpam-radius-auth security update has been released for Debian GNU/Linux 9 LTS to address an arbitrary code execution issue.

DLA 2304-1: libpam-radius-auth security update

- -----------------------------------------------------------------------
Debian LTS Advisory DLA-2304-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Utkarsh Gupta
August 01, 2020   https://wiki.debian.org/LTS
- -----------------------------------------------------------------------

Package : libpam-radius-auth
Version : 1.3.16-5+deb9u1
CVE ID : CVE-2015-9542
Debian Bug : 951396

`add_password` in pam_radius_auth.c in pam_radius 1.4.0 does not
correctly check the length of the input password, and is vulnerable
to a stack-based buffer overflow during memcpy(). An attacker could
send a crafted password to an application (loading the pam_radius
library) and crash it. Arbitrary code execution might be possible,
depending on the application, C library, compiler, and other factors.

For Debian 9 stretch, this problem has been fixed in version
1.3.16-5+deb9u1.

We recommend that you upgrade your libpam-radius-auth packages.

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

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