PYSEC-2026-726

Vulnerability from pysec - Published: 2026-07-02 14:13 - Updated: 2026-07-06 07:37
VLAI
Details

OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.

Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Impacted products
Name purl
opencv-contrib-python-headless pkg:pypi/opencv-contrib-python-headless
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "opencv-contrib-python-headless",
        "purl": "pkg:pypi/opencv-contrib-python-headless"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.2.30"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.4.0.14",
        "3.4.1.15",
        "3.4.10.37",
        "3.4.11.39",
        "3.4.11.41",
        "3.4.11.43",
        "3.4.11.45",
        "3.4.13.47",
        "3.4.14.51",
        "3.4.14.53",
        "3.4.15.55",
        "3.4.16.57",
        "3.4.16.59",
        "3.4.17.61",
        "3.4.17.63",
        "3.4.18.65",
        "3.4.2.17",
        "3.4.3.18",
        "3.4.4.19",
        "3.4.5.20",
        "3.4.6.27",
        "3.4.7.28",
        "3.4.8.29",
        "3.4.9.33",
        "4.0.0.21",
        "4.0.1.23",
        "4.0.1.24",
        "4.1.0.25",
        "4.1.1.26"
      ]
    }
  ],
  "aliases": [
    "CVE-2019-16249",
    "GHSA-x3rm-644h-67m8"
  ],
  "details": "OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.",
  "id": "PYSEC-2026-726",
  "modified": "2026-07-06T07:37:01.531802Z",
  "published": "2026-07-02T14:13:13.066573Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-16249"
    },
    {
      "type": "WEB",
      "url": "https://github.com/opencv/opencv/issues/15481"
    },
    {
      "type": "WEB",
      "url": "https://github.com/opencv/opencv/pull/15531"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1752702"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/opencv/opencv-python"
    },
    {
      "type": "WEB",
      "url": "https://github.com/opencv/opencv-python/releases/tag/30"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/opencv-contrib-python-headless"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-x3rm-644h-67m8"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Out-of-bounds Read in OpenCV"
}



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