UBUNTU-CVE-2021-33477

    Dashboard / Vulnerabilities / UBUNTU-CVE-2021-33477

    UBUNTU-CVE-2021-33477

    Published: 20 May 2021Last Modified: 12 Feb 2026
    Upstream:
    CVE-2021-33477

    Summary:

    Details: 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: https://ubuntu.com/security/CVE-2021-33477, https://www.openwall.com/lists/oss-security/2021/05/17/1, https://git.enlightenment.org/apps/eterm.git/log/, https://www.openwall.com/lists/oss-security/2017/05/01/20, https://sourceforge.net/projects/rxvt/files/rxvt-dev/, http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583, https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-Execution.html, https://sourceforge.net/projects/materm/files/mrxvt%20source/, http://cvs.schmorp.de/rxvt-unicode/Changes?view=log, https://www.cve.org/CVERecord?id=CVE-2021-33477

    Affected packages

    Package

    Name: eterm

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    0.9.6-1
    0.9.6-3
    0.9.6-4

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2021-33477 | CVE-DB