Debian Security Advisory

DLA-2671-1 rxvt-unicode -- LTS security update

Date Reported:
30 May 2021
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 988763.
In Mitre's CVE dictionary: CVE-2021-33477.
More information:

rxvt-unicode allow (potentially remote) code execution because of improper handling of certain escape sequences (ESC G Q). A response is terminated by a newline.

For Debian 9 stretch, this problem has been fixed in version 9.22-1+deb9u1.

We recommend that you upgrade your rxvt-unicode packages.

For the detailed security status of rxvt-unicode please refer to its security tracker page at:

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