UBUNTU-CVE-2021-3781

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    UBUNTU-CVE-2021-3781

    Published: 8 Sept 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-3781
    Aliases:
    USN-5075-1

    Summary:

    Details: A trivial sandbox (enabled with the `-dSAFER` option) escape flaw was found in the ghostscript interpreter by injecting a specially crafted pipe command. This flaw allows a specially crafted document to execute arbitrary commands on the system in the context of the ghostscript interpreter. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

    References: https://ubuntu.com/security/CVE-2021-3781, https://ubuntu.com/security/notices/USN-5075-1, https://www.cve.org/CVERecord?id=CVE-2021-3781

    Affected packages

    Package

    Name: ghostscript

    Purl: pkg:deb/ubuntu/[email protected]~dfsg-5ubuntu4.3?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -9.50~dfsg-5ubuntu4.3

    Affected versions

    9.27~dfsg+0-0ubuntu3

    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-2021-3781 | CVE-DB