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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2022-2809

A vulnerability in bmcweb of OpenBMC Project allows user to cause denial of service. When fuzzing the multipart_parser code using AFL++ with address sanitizer enabled to find smallest memory corruptions possible. It detected problem in how multipart_parser handles unclosed http headers. If long enough http header is passed in the multipart form without colon there is one byte overwrite on heap. It can be conducted multiple times in a loop to cause DoS.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2022-2809
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 06:30 UTC · Revision 1

Source evidence

CVE-2022-2809

core-osv · Original source

Published 27 Oct 2022, 13:15 UTC

A vulnerability in bmcweb of OpenBMC Project allows user to cause denial of service. When fuzzing the multipart_parser code using AFL++ with address sanitizer enabled to find smallest memory corruptions possible. It detected problem in how multipart_parser handles unclosed http headers. If long enough http header is passed in the multipart form without colon there is one byte overwrite on heap. It can be conducted multiple times in a loop to cause DoS.

osv:CVE-2022-2809
Complete source record
{
  "id": "61b6b4fd9efad7531b18514e0aafe998610a21880cc132f1442b5f503e3ac85e",
  "url": "https://osv.dev/vulnerability/CVE-2022-2809",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2022-2809",
    "summary": "A vulnerability in bmcweb of OpenBMC Project allows user to cause denial of service. When fuzzing the multipart_parser code using AFL++ with address sanitizer enabled to find smallest memory corruptions possible. It detected problem in how multipart_parser handles unclosed http headers. If long enough http header is passed in the multipart form without colon there is one byte overwrite on heap. It can be conducted multiple times in a loop to cause DoS.",
    "evidence": "osv:CVE-2022-2809",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2022-2809",
      "aliases": [
        "CVE-2022-2809"
      ],
      "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/openbmc/openbmc",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f5a72daa5d11cb78f082c2df7ca4a2d62c67a444"
                },
                {
                  "last_affected": "03907ee1b9e938b9ce87f4d781c905c2a41592c2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:openbmc-project:openbmc:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.10.0"
                      },
                      {
                        "last_affected": "2.13.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.13.0-dev",
            "2.12.0-dev",
            "2.11.0-dev",
            "2.10.0-dev"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-2809.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:40.382622234Z",
      "provider": "osv",
      "references": [
        "https://github.com/openbmc/bmcweb"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2022-2809",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 434909,
  "published_at": "2022-10-27T13:15:09.633+00:00"
}