Security advisory

{
  "id": "9f382a096c6df6d47c2dea6643772c49994ab45db8e1bf579b2a17587c0c1635",
  "url": "https://osv.dev/vulnerability/CVE-2019-16865",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-16865",
    "summary": "An issue was discovered in Pillow before 6.2.0. When reading specially crafted invalid image files, the library can either allocate very large amounts of memory or take an extremely long period of time to process the image.",
    "evidence": "osv:CVE-2019-16865",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-16865",
      "aliases": [
        "CVE-2019-16865",
        "GHSA-j7mj-748x-7p78",
        "PYSEC-2019-110"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/python-pillow/pillow",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8a30d135378dc6a1c3c08fa4bb9fbc15370feedf"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "6.2.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "6.1.0",
            "6.0.0",
            "5.4.0",
            "5.3.0",
            "5.2.0",
            "5.1.0",
            "5.0.0",
            "4.3.0",
            "4.2.0",
            "4.1.0",
            "4.0.0",
            "4.0.0a",
            "3.4.0",
            "3.3.0",
            "3.2.0",
            "3.1.0",
            "3.1.0-rc1",
            "2.9.0",
            "2.9.0.dev2",
            "2.9.0.dev1",
            "2.9.0.dev0",
            "2.8.1",
            "2.8.0",
            "2.7.0",
            "2.5.0",
            "2.3.0",
            "2.2.1",
            "2.2.0",
            "2.1.0",
            "2.0.0",
            "1.7.8",
            "1.7.7",
            "1.2",
            "1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-16865.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:24.796284145Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EMJBUZQGQ2Q7HXYCQVRLU7OXNC7CAWWU/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYDXD7EE4YAEVSTNIFZKNVPRVJX5ZOG3/",
        "https://usn.ubuntu.com/4272-1/",
        "https://access.redhat.com/errata/RHSA-2020:0566",
        "https://access.redhat.com/errata/RHSA-2020:0578",
        "https://access.redhat.com/errata/RHSA-2020:0580",
        "https://access.redhat.com/errata/RHSA-2020:0681",
        "https://access.redhat.com/errata/RHSA-2020:0683",
        "https://access.redhat.com/errata/RHSA-2020:0694",
        "https://pillow.readthedocs.io/en/latest/releasenotes/6.2.0.html",
        "https://www.debian.org/security/2020/dsa-4631"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "30"
                  },
                  {
                    "last_affected": "30"
                  },
                  {
                    "introduced": "31"
                  },
                  {
                    "last_affected": "31"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2019-16865",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431218,
  "published_at": "2019-10-04T22:15:11.19+00:00"
}