Security advisory

{
  "id": "7d0c6bd53f708a08027055e4e757ed56ce2fa57ef48e5334cde8fefe3e2a7f4f",
  "url": "https://osv.dev/vulnerability/CVE-2019-11324",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-11324",
    "summary": "The urllib3 library before 1.24.2 for Python mishandles certain cases where the desired set of CA certificates is different from the OS store of CA certificates, which results in SSL connections succeeding in situations where a verification failure is the correct outcome. This is related to use of the ssl_context, ca_certs, or ca_certs_dir argument.",
    "evidence": "osv:CVE-2019-11324",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-11324",
      "aliases": [
        "CVE-2019-11324",
        "GHSA-mh33-7rrq-662w",
        "PYSEC-2019-133"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/urllib3/urllib3",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1efadf43dc63317cd9eaa3e0fdb9e05ab07254b1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:python:urllib3:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.24.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.24.1",
            "1.24",
            "1.23",
            "1.22",
            "1.21.1",
            "1.21",
            "1.20",
            "1.19",
            "1.18",
            "1.16",
            "1.15.1",
            "1.15",
            "1.14",
            "1.13.1",
            "1.13",
            "1.12",
            "1.11",
            "1.10.4",
            "1.10.3",
            "1.7.1",
            "1.7",
            "1.6",
            "1.5",
            "1.4",
            "1.3",
            "1.2.1",
            "1.2",
            "1.1",
            "0.4.1",
            "0.4",
            "0.3.1",
            "0.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11324.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:18.658696793Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2021/06/msg00015.html",
        "https://lists.debian.org/debian-lts-announce/2023/10/msg00012.html",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKGPJLVLVYCL4L4B4G5TIOTVK4BKPG72/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XOSA2NT4DUQDBEIWE6O7KKD24XND7TE2/",
        "https://access.redhat.com/errata/RHSA-2019:3335",
        "https://access.redhat.com/errata/RHSA-2019:3590",
        "https://usn.ubuntu.com/3990-1/",
        "https://github.com/urllib3/urllib3/compare/a6ec68a...1efadf4"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "16.04"
                  },
                  {
                    "last_affected": "16.04"
                  },
                  {
                    "introduced": "18.04"
                  },
                  {
                    "last_affected": "18.04"
                  },
                  {
                    "introduced": "18.10"
                  },
                  {
                    "last_affected": "18.10"
                  },
                  {
                    "introduced": "19.04"
                  },
                  {
                    "last_affected": "19.04"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2019-11324",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383541,
  "published_at": "2019-04-18T21:29:00.883+00:00"
}