Security advisory

{
  "id": "f76ff4f715eff0dd9e2e6db0bd3135531df9c51670e32df9e817b18511c1aa40",
  "url": "https://osv.dev/vulnerability/CVE-2022-43705",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2022-43705",
    "summary": "In Botan before 2.19.3, it is possible to forge OCSP responses due to a certificate verification error. This issue was introduced in Botan 1.11.34 (November 2016).",
    "evidence": "osv:CVE-2022-43705",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2022-43705",
      "aliases": [
        "CVE-2022-43705",
        "GHSA-4v9w-qvcq-6q7w"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/randombit/botan",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b816a3652c1359028f59d64a2f742564547ab782"
                },
                {
                  "fixed": "15dc32f12d05e99a267f0fc47d88b678b71b8b05"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.19.3"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "range": [
                      {
                        "fixed": "15dc32f12d05e99a267f0fc47d88b678b71b8b05"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "2.19.3"
                  },
                  {
                    "cpe": "cpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.11.34"
                      },
                      {
                        "fixed": "2.19.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.19.2",
            "2.19.1",
            "2.19.0",
            "2.18.2",
            "2.18.1",
            "2.18.0",
            "2.17.3",
            "2.17.2",
            "2.17.1",
            "2.17.0",
            "2.16.0",
            "2.15.0",
            "2.14.0",
            "2.13.0",
            "2.12.1",
            "2.12.0",
            "2.11.0",
            "2.10.0",
            "2.9.0",
            "2.8.0",
            "2.7.0",
            "2.6.0",
            "2.5.0",
            "2.4.0",
            "2.3.0",
            "2.2.0",
            "2.1.0",
            "2.0.1",
            "2.0.0",
            "1.11.34"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-43705.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.795694892Z",
      "provider": "osv",
      "references": [
        "https://github.com/randombit/botan/releases/tag/2.19.3",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/43xxx/CVE-2022-43705.json",
        "https://github.com/randombit/botan/security/advisories/GHSA-4v9w-qvcq-6q7w",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-43705"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/43xxx/CVE-2022-43705.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-43705",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 489041,
  "published_at": "2022-11-27T00:00:00+00:00"
}