PYSEC-2026-2823

    Dashboard / Vulnerabilities / PYSEC-2026-2823

    PYSEC-2026-2823

    Published: 9 Jul 2026Last Modified: 13 Jul 2026

    Summary: Improper Restriction of Operations within the Bounds of a Memory Buffer in OpenCV

    Details: OpenCV 3.3.1 (corresponding with opencv-python and opencv-contrib-python 3.3.1.11) has a Buffer Overflow in the cv::PxMDecoder::readData function in grfmt_pxm.cpp, because an incorrect size value is used.

    References: https://nvd.nist.gov/vuln/detail/CVE-2017-17760, https://github.com/opencv/opencv/issues/10351, https://github.com/opencv/opencv/pull/10369/commits/7bbe1a53cfc097b82b1589f7915a2120de39274c, https://github.com/opencv/opencv-python, https://lists.debian.org/debian-lts-announce/2018/01/msg00008.html, https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html, https://lists.debian.org/debian-lts-announce/2021/10/msg00028.html, http://www.securityfocus.com/bid/102974, https://pypi.org/project/opencv-python, https://github.com/advisories/GHSA-jcxv-2j3h-mg59

    Affected packages

    Package

    Name: opencv-python

    Purl: pkg:pypi/opencv-python

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.4.0.12

    Affected versions

    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