UBUNTU-CVE-2020-11765

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    UBUNTU-CVE-2020-11765

    Published: 14 Apr 2020Last Modified: 22 Apr 2026
    Upstream:
    CVE-2020-11765
    Aliases:
    USN-4339-1

    Summary:

    Details: An issue was discovered in OpenEXR before 2.4.1. There is an off-by-one error in use of the ImfXdr.h read function by DwaCompressor::Classifier::Classifier, leading to an out-of-bounds read.

    References: https://ubuntu.com/security/CVE-2020-11765, https://bugs.chromium.org/p/project-zero/issues/detail?id=1987, https://github.com/AcademySoftwareFoundation/openexr/blob/master/CHANGES.md#version-241-february-11-2020, https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v2.4.1, https://ubuntu.com/security/notices/USN-4339-1, https://www.cve.org/CVERecord?id=CVE-2020-11765

    Affected packages

    Package

    Name: openexr

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.2.0-10ubuntu2.2

    Affected versions

    2.2.0-1ubuntu3
    2.2.0-7ubuntu1
    2.2.0-9ubuntu1
    2.2.0-10ubuntu2
    2.2.0-10ubuntu2.1

    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
    UBUNTU-CVE-2020-11765 | CVE-DB