CVE-2020-27824

    Dashboard / Vulnerabilities / CVE-2020-27824

    CVE-2020-27824

    Published: 13 May 2021Last Modified: 7 Aug 2026

    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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQR4EWRFFZQDMFPZKFZ6I3USLMW6TKTP/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/, https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html, https://www.debian.org/security/2021/dsa-4882, https://bugzilla.redhat.com/show_bug.cgi?id=1905723, https://www.oracle.com/security-alerts/cpuoct2021.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-2020-27824 | CVE-DB