UBUNTU-CVE-2020-27823

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    UBUNTU-CVE-2020-27823

    Published: 9 Dec 2020Last Modified: 29 May 2026
    Upstream:
    CVE-2020-27823

    Summary:

    Details: A flaw was found in OpenJPEG’s encoder. This flaw allows an attacker to pass specially crafted x,y offset input to OpenJPEG to use during encoding. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

    References: https://ubuntu.com/security/CVE-2020-27823, https://ubuntu.com/security/notices/USN-4685-1, https://ubuntu.com/security/notices/USN-4880-1, https://ubuntu.com/security/notices/USN-5952-1, https://www.cve.org/CVERecord?id=CVE-2020-27823

    Affected packages

    Package

    Name: openjpeg2

    Purl: pkg:deb/ubuntu/openjpeg2?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.1.2-1.1+deb9u6build0.16.04.1

    Affected versions

    2.1.0-2.1
    2.1.0-2.1ubuntu0.1
    2.1.2-1.1+deb9u2build0.1
    2.1.2-1.1+deb9u3build0.16.04.1
    2.1.2-1.1+deb9u5build0.16.04.1

    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