CVE-2021-20303

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    CVE-2021-20303

    Published: 4 Mar 2022Last Modified: 24 Oct 2026

    Summary:

    Details: A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds write on the heap. The greatest impact of this flaw is to application availability, with some potential impact to data integrity as well.

    References: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25505, https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html, https://bugzilla.redhat.com/show_bug.cgi?id=1939151, https://github.com/AcademySoftwareFoundation/openexr/pull/831

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -1899a456cbafb213c4a53c35eb3203296f92e503

    Affected versions

    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-2021-20303 | CVE-DB