Security advisory

{
  "id": "56677047d974c2db4ea326815501e8d428d25cb2af60c48a322a3bd37aad942b",
  "url": "https://osv.dev/vulnerability/CVE-2020-12605",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-12605",
    "summary": "Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when processing HTTP/1.1 headers with long field names or requests with long URLs.",
    "evidence": "osv:CVE-2020-12605",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-12605",
      "aliases": [
        "BIT-envoy-2020-12605",
        "CVE-2020-12605",
        "GHSA-fjxc-jj43-f777"
      ],
      "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/envoyproxy/envoy",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "1580db37e9a97c37e410bad0e1507ae1a0fd9e77"
                },
                {
                  "introduced": "82b2f458605258e8940ebd90d9f29a022be4ce3c"
                },
                {
                  "last_affected": "1a0363c885c2dbb1e48b03847dbd706d1ba43eba"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.12.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:envoyproxy:envoy:1.13.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.13.2"
                      },
                      {
                        "last_affected": "1.13.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:envoyproxy:envoy:1.14.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.14.2"
                      },
                      {
                        "last_affected": "1.14.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.13.2",
            "1.14.2",
            "v1.14.2",
            "v1.12.4",
            "v1.12.3",
            "v1.14.1",
            "v1.14.0",
            "v1.12.2",
            "v1.13.0",
            "v1.12.1",
            "v1.12.0",
            "v1.11.0",
            "v1.10.0",
            "v1.9.0",
            "v1.8.0",
            "v1.7.0",
            "v1.6.0",
            "v1.5.0",
            "v1.4.0",
            "v1.3.0",
            "v1.2.0",
            "v1.1.0",
            "v1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12605.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:46.188412822Z",
      "provider": "osv",
      "references": [
        "https://github.com/envoyproxy/envoy/security/advisories/GHSA-fjxc-jj43-f777",
        "https://github.com/envoyproxy/envoy-setec/issues/137"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-12605",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382907,
  "published_at": "2020-07-01T15:15:12.983+00:00"
}