CVE-2021-20304

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    CVE-2021-20304

    Published: 23 Aug 2022Last Modified: 27 Aug 2026

    Summary:

    Details: A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this vulnerability is to system availability.

    References: https://access.redhat.com/security/cve/CVE-2021-20304, https://security.gentoo.org/glsa/202210-31, https://bugzilla.redhat.com/show_bug.cgi?id=1939157, https://github.com/AcademySoftwareFoundation/openexr/commit/51a92d67f53c08230734e74564c807043cbfe41e, https://github.com/AcademySoftwareFoundation/openexr/pull/849, https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26229

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v2.5.7-rc1
    v2.5.7
    v2.5.6
    v2.5.5
    v2.5.4
    v2.5.3
    v2.5.2
    v2.5.1
    v2.5.0

    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-2021-20304 | CVE-DB