Vulnerability-Lookup

PYSEC-2026-2814

Vulnerability from pysec - Published: 2026-07-09 16:49 - Updated: 2026-07-13 16:05

Details

In OpenCV 3.3.1 (corresponding with OpenCV-Python 3.3.1.11), a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.

Severity

5.5 (Medium)


                  
                    CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Impacted products

Name	purl
opencv-python	pkg:pypi/opencv-python

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "opencv-python",
        "purl": "pkg:pypi/opencv-python"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.1.15"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.4.0.14"
      ]
    }
  ],
  "aliases": [
    "CVE-2018-5268",
    "GHSA-9g8h-pjm4-q92p"
  ],
  "details": "In OpenCV 3.3.1 (corresponding with OpenCV-Python 3.3.1.11), a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.",
  "id": "PYSEC-2026-2814",
  "modified": "2026-07-13T16:05:23.510456Z",
  "published": "2026-07-09T16:49:38.523203Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-5268"
    },
    {
      "type": "WEB",
      "url": "https://github.com/opencv/opencv/issues/10541"
    },
    {
      "type": "WEB",
      "url": "https://github.com/opencv/opencv/pull/10566/commits/435a3e337bd9d4e11af61cf8b8afca067bf1a8aa"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/opencv/opencv-python"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00019.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00028.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/106945"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/opencv-python"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-9g8h-pjm4-q92p"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Out-of-bounds Write in OpenCV."
}

CVE-2018-5268 (GCVE-0-2018-5268)

Vulnerability from cvelistv5 – Published: 2018-01-08 05:00 – Updated: 2024-08-05 05:33

Summary

In OpenCV 3.3.1, a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 27/100 over 2303 records in the last 180 days details

References

5 references

URL	Tags
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/106945	vdb-entryx_refsource_BID
https://github.com/opencv/opencv/issues/10541	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Date Public

2018-01-07 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T05:33:43.585Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[debian-lts-announce] 20180722 [SECURITY] [DLA 1438-1] opencv security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html"
          },
          {
            "name": "106945",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/106945"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/opencv/opencv/issues/10541"
          },
          {
            "name": "[debian-lts-announce] 20180418 [SECURITY] [DLA 1354-1] opencv security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00019.html"
          },
          {
            "name": "[debian-lts-announce] 20211030 [SECURITY] [DLA 2799-1] opencv security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00028.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2018-01-07T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "In OpenCV 3.3.1, a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-10-30T21:06:10.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "[debian-lts-announce] 20180722 [SECURITY] [DLA 1438-1] opencv security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html"
        },
        {
          "name": "106945",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/106945"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/opencv/opencv/issues/10541"
        },
        {
          "name": "[debian-lts-announce] 20180418 [SECURITY] [DLA 1354-1] opencv security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00019.html"
        },
        {
          "name": "[debian-lts-announce] 20211030 [SECURITY] [DLA 2799-1] opencv security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00028.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-5268",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In OpenCV 3.3.1, a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[debian-lts-announce] 20180722 [SECURITY] [DLA 1438-1] opencv security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html"
            },
            {
              "name": "106945",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/106945"
            },
            {
              "name": "https://github.com/opencv/opencv/issues/10541",
              "refsource": "MISC",
              "url": "https://github.com/opencv/opencv/issues/10541"
            },
            {
              "name": "[debian-lts-announce] 20180418 [SECURITY] [DLA 1354-1] opencv security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00019.html"
            },
            {
              "name": "[debian-lts-announce] 20211030 [SECURITY] [DLA 2799-1] opencv security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00028.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-5268",
    "datePublished": "2018-01-08T05:00:00.000Z",
    "dateReserved": "2018-01-07T00:00:00.000Z",
    "dateUpdated": "2024-08-05T05:33:43.585Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

GHSA-9G8H-PJM4-Q92P

Vulnerability from github – Published: 2021-10-12 22:23 – Updated: 2021-11-18 15:31

Summary

Out-of-bounds Write in OpenCV.

Details

Severity

5.5 (Medium)


                  
                    CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 3.3.1.11"
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "opencv-python"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.1.15"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 3.3.1.11"
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "opencv-contrib-python"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.1.15"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2018-5268"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-10-07T19:55:52Z",
    "nvd_published_at": "2018-01-08T05:29:00Z",
    "severity": "MODERATE"
  },
  "details": "In OpenCV 3.3.1 (corresponding with OpenCV-Python 3.3.1.11), a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.",
  "id": "GHSA-9g8h-pjm4-q92p",
  "modified": "2021-11-18T15:31:47Z",
  "published": "2021-10-12T22:23:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-5268"
    },
    {
      "type": "WEB",
      "url": "https://github.com/opencv/opencv/issues/10541"
    },
    {
      "type": "WEB",
      "url": "https://github.com/opencv/opencv/pull/10566/commits/435a3e337bd9d4e11af61cf8b8afca067bf1a8aa"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/opencv/opencv-python"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00019.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00028.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/106945"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Out-of-bounds Write in OpenCV."
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

PYSEC-2026-2814

CVE-2018-5268 (GCVE-0-2018-5268)

GHSA-9G8H-PJM4-Q92P

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour