USN-4958-1

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    USN-4958-1

    Published: 17 May 2021Last Modified: 22 Apr 2026

    Summary: caribou vulnerability

    Details: It was discovered that the Caribou onscreen keyboard could be made to crash when given certain input values. An attacker could use this to bypass screen-locking applications that support using Caribou as an input mechanism.

    References: https://ubuntu.com/security/notices/USN-4958-1, https://launchpad.net/bugs/1912060

    Affected packages

    Package

    Name: caribou

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.4.21-7ubuntu0.20.04.1

    Affected versions

    0.4.21-7

    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
    USN-4958-1 | CVE-DB