PYSEC-2026-728

    Dashboard / Vulnerabilities / PYSEC-2026-728

    PYSEC-2026-728

    Published: 2 Jul 2026Last Modified: 6 Jul 2026

    Summary: OpenEXR invalid write

    Details: In OpenEXR 2.2.0, an invalid write of size 8 in the storeSSE function in ImfOptimizedPixelReading.h could cause the application to crash or execute arbitrary code.

    References: https://nvd.nist.gov/vuln/detail/CVE-2017-9111, https://github.com/openexr/openexr/issues/232, https://github.com/openexr/openexr/pull/233, https://github.com/AcademySoftwareFoundation/openexr, https://github.com/openexr/openexr/releases/tag/v2.2.1, https://lists.debian.org/debian-lts-announce/2020/08/msg00056.html, https://usn.ubuntu.com/4148-1, https://usn.ubuntu.com/4339-1, https://www.debian.org/security/2020/dsa-4755, http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00060.html, http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00000.html, http://www.openwall.com/lists/oss-security/2017/05/12/5, https://pypi.org/project/openexr, https://github.com/advisories/GHSA-qxh9-r8xw-7v99

    Affected packages

    Package

    Name: openexr

    Purl: pkg:pypi/openexr

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.2.1

    Affected versions

    1.0.2
    1.0.3

    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
    PYSEC-2026-728 | CVE-DB