CVE-2021-3476

    Dashboard / Vulnerabilities / CVE-2021-3476

    CVE-2021-3476

    Published: 30 Mar 2021Last Modified: 27 Aug 2026

    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://lists.debian.org/debian-lts-announce/2021/07/msg00001.html, https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html, https://security.gentoo.org/glsa/202107-27, https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24787, https://bugzilla.redhat.com/show_bug.cgi?id=1939145

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -7bab6d44caf65ee3cabe31553f8e2968c8747be5

    Affected versions

    v2.4.2
    v2.4.1
    v2.4.0
    v2.4.0-beta.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
    CVE-2021-3476 | CVE-DB