UBUNTU-CVE-2020-21598

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    UBUNTU-CVE-2020-21598

    Published: 16 Sept 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2020-21598
    Aliases:
    USN-6617-1

    Summary:

    Details: libde265 v1.0.4 contains a heap buffer overflow in the ff_hevc_put_unweighted_pred_8_sse function, which can be exploited via a crafted a file.

    References: https://ubuntu.com/security/CVE-2020-21598, https://github.com/strukturag/libde265/issues/237, https://ubuntu.com/security/notices/USN-6617-1, https://www.cve.org/CVERecord?id=CVE-2020-21598

    Affected packages

    Package

    Name: libde265

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.0.4-1ubuntu0.1

    Affected versions

    1.0.3-1build1
    1.0.4-1
    1.0.4-1build1

    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-2020-21598 | CVE-DB