Security advisory

{
  "id": "f90bc2e70d7be133628a315d31cb0b71bede8f1d89affb49b703d4537626b702",
  "url": "https://osv.dev/vulnerability/CVE-2020-12845",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-12845",
    "summary": "Cherokee 0.4.27 to 1.2.104 is affected by a denial of service due to a NULL pointer dereferences. A remote unauthenticated attacker can crash the server by sending an HTTP request to protected resources using a malformed Authorization header that is mishandled during a cherokee_buffer_add call within cherokee_validator_parse_basic or cherokee_validator_parse_digest.",
    "evidence": "osv:CVE-2020-12845",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-12845",
      "aliases": [
        "CVE-2020-12845"
      ],
      "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/cherokee/webserver",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "1824487b7af0724ae42ef564b82b106c65fc0b31"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:cherokee-project:cherokee:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.4.27"
                      },
                      {
                        "last_affected": "1.2.104"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.2.104",
            "v1.2.103.d021376",
            "v1.2.101",
            "v1.2.103",
            "v1.2.99",
            "v1.2.98",
            "v1.2.2",
            "v1.2.0",
            "v1.0.21",
            "v1.0.18",
            "v1.0.17",
            "v1.0.16",
            "v1.0.15",
            "v1.0.14",
            "v1.0.13",
            "v1.0.12"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12845.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:08.320188450Z",
      "provider": "osv",
      "references": [
        "https://github.com/cherokee/webserver/releases",
        "https://security.gentoo.org/glsa/202012-09",
        "https://github.com/cherokee/webserver/issues/1242"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-12845",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382480,
  "published_at": "2020-07-27T23:15:12.437+00:00"
}