Security advisory

{
  "id": "cb10c28f8a9829c5ae55f2aaa83aeef58b9433247b4318170afa4e54ed8eebf4",
  "url": "https://osv.dev/vulnerability/CVE-2020-9369",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-9369",
    "summary": "Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk consumption from temporary files, and a flood of notifications to listmasters) via a series of requests with malformed parameters.",
    "evidence": "osv:CVE-2020-9369",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-9369",
      "aliases": [
        "CVE-2020-9369"
      ],
      "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/sympa-community/sympa",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4a844b49f1f8c9e8147f44ac10640697c5f19524"
                },
                {
                  "last_affected": "544db3fe039c642d5b92b6e878f1ca1922d5e303"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sympa:sympa:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "6.2.38"
                      },
                      {
                        "last_affected": "6.2.52"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "6.2.38",
            "6.2.49b.1",
            "6.2.44",
            "6.2.48",
            "6.2.40",
            "6.2.42",
            "6.2.52",
            "6.2.49b.3",
            "6.2.50",
            "6.2.49b.2",
            "6.2.46",
            "6.2.45b.3",
            "6.2.45b.2",
            "6.2.45b.1",
            "6.2.43b.2",
            "6.2.43b.1",
            "6.2.41b.2",
            "6.2.41b.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-9369.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:26.122177586Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6TMVZ5LVYCCIHGEC7RQUMGUE7DJWUXN7/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3FUYYLV6URRLAJVWXNJYK2CNOKKNHXC/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XO4WJYNNHWM7DUKCN4EWYYYPXZSOI7BQ/",
        "https://www.debian.org/security/2020/dsa-4818",
        "https://github.com/sympa-community/sympa/issues/886",
        "https://sympa-community.github.io/security/2020-001.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "30"
                  },
                  {
                    "last_affected": "30"
                  },
                  {
                    "introduced": "31"
                  },
                  {
                    "last_affected": "31"
                  },
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-9369",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385365,
  "published_at": "2020-02-24T18:15:22.96+00:00"
}