Security advisory

{
  "id": "81607e2d807fc2e87bc0d8772bdf3e31cbd8dee89b0e9dc9f4ba6ab24f8ade51",
  "url": "https://osv.dev/vulnerability/CVE-2022-30780",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2022-30780",
    "summary": "Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause a denial of service (CPU consumption from stuck connections) because connection_read_header_more in connections.c has a typo that disrupts use of multiple read operations on large headers.",
    "evidence": "osv:CVE-2022-30780",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-30780",
      "aliases": [
        "CVE-2022-30780"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/lighttpd/lighttpd1.4",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b8e011d230c206503f072cce0c176da8a938cf00"
                },
                {
                  "last_affected": "992ba517abcfe9c162df0ba1383a051fe4ebd77c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "1.4.56"
                      },
                      {
                        "last_affected": "1.4.58"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "cpe": "cpe:2.3:a:lighttpd:lighttpd:1.4.56:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.4.56"
                      },
                      {
                        "last_affected": "1.4.56"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:lighttpd:lighttpd:1.4.57:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.4.57"
                      },
                      {
                        "last_affected": "1.4.57"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:lighttpd:lighttpd:1.4.58:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.4.58"
                      },
                      {
                        "last_affected": "1.4.58"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.4.56",
            "1.4.57",
            "1.4.58",
            "lighttpd-1.4.58",
            "lighttpd-1.4.57",
            "lighttpd-1.4.56"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-30780.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.288638227Z",
      "provider": "osv",
      "references": [
        "https://podalirius.net/en/cves/2022-30780/",
        "https://redmine.lighttpd.net/issues/3059",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/30xxx/CVE-2022-30780.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-30780",
        "https://github.com/lighttpd/lighttpd1.4",
        "https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-service"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/30xxx/CVE-2022-30780.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-30780",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 499439,
  "published_at": "2022-06-11T14:40:53+00:00"
}