CVE-2020-27842

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    CVE-2020-27842

    Published: 5 Jan 2021Last Modified: 7 Aug 2026

    Summary:

    Details: There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0. An attacker who is able to provide crafted input to be processed by openjpeg could cause a null pointer dereference. The highest impact of this flaw is to application availability.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/, https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html, https://security.gentoo.org/glsa/202101-29, https://www.debian.org/security/2021/dsa-4882, https://bugzilla.redhat.com/show_bug.cgi?id=1907513, https://www.oracle.com//security-alerts/cpujul2021.html, https://www.oracle.com/security-alerts/cpuApr2021.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -37ac30ceff6640bbab502388c5e0fa0bff23f505

    Affected versions

    v2.3.1
    v2.3.0

    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
    CVE-2020-27842 | CVE-DB