UBUNTU-CVE-2020-27824

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    UBUNTU-CVE-2020-27824

    Published: 10 Dec 2020Last Modified: 29 May 2026
    Upstream:
    CVE-2020-27824
    Aliases:
    USN-4685-1
    USN-4686-1
    USN-4880-1

    Summary:

    Details: A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability.

    References: https://ubuntu.com/security/CVE-2020-27824, https://ubuntu.com/security/notices/USN-4685-1, https://ubuntu.com/security/notices/USN-4686-1, https://ubuntu.com/security/notices/USN-4880-1, https://ubuntu.com/security/notices/USN-5664-1, https://ubuntu.com/security/notices/USN-5952-1, https://www.cve.org/CVERecord?id=CVE-2020-27824

    Affected packages

    Package

    Name: openjpeg

    Purl: pkg:deb/ubuntu/openjpeg?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1.3+dfsg-4.6ubuntu2
    1.3+dfsg-4.7ubuntu1

    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