UBUNTU-CVE-2021-3477

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    UBUNTU-CVE-2021-3477

    Published: 31 Mar 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-3477
    Aliases:
    USN-4900-1

    Summary:

    Details: There's a flaw in OpenEXR's deep tile sample size calculations in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, subsequently leading to an out-of-bounds read. The greatest risk of this flaw is to application availability.

    References: https://ubuntu.com/security/CVE-2021-3477, https://ubuntu.com/security/notices/USN-4900-1, https://www.cve.org/CVERecord?id=CVE-2021-3477

    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-2021-3477 | CVE-DB