Security advisory

{
  "id": "2677bf601c52f74098e1a559d0b6f8fc57342572024c626e31148cd143d1cc12",
  "url": "https://osv.dev/vulnerability/CVE-2019-3560",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-3560",
    "summary": "An improperly performed length calculation on a buffer in PlaintextRecordLayer could lead to an infinite loop and denial-of-service based on user input. This issue affected versions of fizz prior to v2019.03.04.00.",
    "evidence": "osv:CVE-2019-3560",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-3560",
      "aliases": [
        "CVE-2019-3560"
      ],
      "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/facebookincubator/fizz",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "7dca28d705fa47d0d0a4667389d00a7b692bf2f4"
                },
                {
                  "fixed": "40bbb161e72fb609608d53b9d64c56bb961a6ee2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:facebook:fizz:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2019.03.04.00"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "40bbb161e72fb609608d53b9d64c56bb961a6ee2"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2019.02.25.00",
            "v2019.02.18.00",
            "v2019.02.11.00",
            "v2019.02.04.00",
            "v2019.01.28.00",
            "v2019.01.21.00",
            "v2019.01.14.00",
            "v2019.01.07.00",
            "v2018.12.31.00",
            "v2018.12.24.00",
            "v2018.12.17.00",
            "v2018.12.10.00",
            "v2018.12.03.00",
            "v2018.11.26.00",
            "v2018.11.19.00",
            "v2018.11.12.00",
            "v2018.11.05.00",
            "v2018.10.29.00",
            "v2018.10.22.00",
            "v2018.10.15.00",
            "v2018.10.08.00",
            "v2018.10.01.00",
            "v2018.09.24.00"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-3560.json",
            "vanir_signatures": [
              {
                "id": "CVE-2019-3560-0f27f8d0",
                "digest": {
                  "length": 2017,
                  "function_hash": "218404739379754356069635748324794749765"
                },
                "source": "https://github.com/facebookincubator/fizz/commit/40bbb161e72fb609608d53b9d64c56bb961a6ee2",
                "target": {
                  "file": "fizz/record/PlaintextRecordLayer.cpp",
                  "function": "PlaintextReadRecordLayer::read"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2019-3560-521ba176",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "284874508492167448417475876770024785434",
                    "73827099726767433453257000164984413602",
                    "1884291685735021107780733353913913979",
                    "154503829010250883649497091671471392945",
                    "127863923093738618575146065361892343137",
                    "272542403893425600602578121969568237263"
                  ]
                },
                "source": "https://github.com/facebookincubator/fizz/commit/40bbb161e72fb609608d53b9d64c56bb961a6ee2",
                "target": {
                  "file": "fizz/record/PlaintextRecordLayer.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:55:01Z"
          }
        }
      ],
      "modified": "2026-10-20T13:55:01.323012508Z",
      "provider": "osv",
      "references": [
        "https://github.com/facebookincubator/fizz/commit/40bbb161e72fb609608d53b9d64c56bb961a6ee2"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-3560",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388372,
  "published_at": "2019-04-29T16:29:00.813+00:00"
}