CVE-2021-20296

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    CVE-2021-20296

    Published: 1 Apr 2021Last Modified: 27 Aug 2026

    Summary:

    Details: A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system 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=24854, https://bugzilla.redhat.com/show_bug.cgi?id=1939141

    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-2021-20296 | CVE-DB