Improper Handling of Exceptional Conditions Affecting eterm package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
4.09% (90th percentile)

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  • Snyk IDSNYK-UBUNTU1804-ETERM-1296295
  • published26 Feb 2026
  • disclosed20 May 2021

Introduced: 20 May 2021

CVE-2021-33477  (opens in a new tab)
CWE-755  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:18.04 eterm.

NVD Description

Note: Versions mentioned in the description apply only to the upstream eterm package and not the eterm package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

rxvt-unicode 9.22, rxvt 2.7.10, mrxvt 0.5.4, and Eterm 0.9.7 allow (potentially remote) code execution because of improper handling of certain escape sequences (ESC G Q). A response is terminated by a newline.

References

CVSS Base Scores

version 3.1