A ros-actionlib security update has been released for Debian GNU/Linux 9 LTS to address use of unsafe yaml load in the Robot OS actionlib library.

DLA 2357-1: ros-actionlib security update

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Debian LTS Advisory DLA-2357-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/
August 30, 2020   https://wiki.debian.org/LTS
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Package : ros-actionlib
Version : 1.11.7-1+deb9u1
CVE ID : CVE-2020-10289
Debian Bug :

Use of unsafe yaml load was fixed in ros-actionlib,
the Robot OS actionlib library.

For Debian 9 stretch, this problem has been fixed in version
1.11.7-1+deb9u1.

We recommend that you upgrade your ros-actionlib packages.

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

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