UBUNTU-CVE-2021-3476

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    UBUNTU-CVE-2021-3476

    Published: 30 Mar 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-3476
    Aliases:
    USN-4900-1

    Summary:

    Details: A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.

    References: https://ubuntu.com/security/CVE-2021-3476, https://ubuntu.com/security/notices/USN-4900-1, https://www.cve.org/CVERecord?id=CVE-2021-3476

    Affected packages

    Package

    Name: openexr

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.2.0-10ubuntu2.6

    Affected versions

    2.2.0-1ubuntu3
    2.2.0-7ubuntu1
    2.2.0-9ubuntu1
    2.2.0-10ubuntu2
    2.2.0-10ubuntu2.1
    2.2.0-10ubuntu2.2
    2.2.0-10ubuntu2.3
    2.2.0-10ubuntu2.4

    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-2021-3476 | CVE-DB