A eterm security update has been released for Debian GNU/Linux 9 LTS to address a potentially remote code execution.

DLA 2681-1: eterm security update

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Debian LTS Advisory DLA-2681-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Utkarsh Gupta
June 09, 2021   https://wiki.debian.org/LTS
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Package : eterm
Version : 0.9.6-5+deb9u1
CVE ID : CVE-2021-33477
Debian Bug : 989041

eterm, an enlightened terminal emulator, allowed (potentially
remote) code execution because of improper handling of certain
escape sequences (ESC G Q).

For Debian 9 stretch, this problem has been fixed in version
0.9.6-5+deb9u1.

We recommend that you upgrade your eterm packages.

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

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