Security advisory

{
  "id": "081b8c199dac4316e7cc08c4d56ed4897147ccd8281a1ab46b47a7eadcf47e97",
  "url": "https://osv.dev/vulnerability/CVE-2022-48570",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2022-48570",
    "summary": "Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.",
    "evidence": "osv:CVE-2022-48570",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-48570",
      "aliases": [
        "CVE-2022-48570"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/weidai11/cryptopp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "434e3189db61ff4ced13b47fe450a42b3c8cb676"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:cryptopp:crypto\\+\\+:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "8.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "434e3189db61ff4ced13b47fe450a42b3c8cb676"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "CRYPTOPP_8_4_0"
                  }
                ]
              }
            }
          ],
          "versions": [
            "CRYPTOPP_5_6_2",
            "CRYPTOPP_8_3_0",
            "CRYPTOPP_8_2_0",
            "CRYPTOPP_8_1_0",
            "CRYPTOPP_8_0_0",
            "CRYPTOPP_7_0_0",
            "CRYPTOPP_6_0_0",
            "CRYPTOPP_5_6_5",
            "CRYPTOPP_5_6_4",
            "CRYPTOPP_5_6_3",
            "CRYPTOPP_5_6_1",
            "CRYPTOPP_5_6_0",
            "CRYPTOPP_5_5_2",
            "CRYPTOPP_5_5_1",
            "CRYPTOPP_5_5",
            "CRYPTOPP_5_4",
            "CRYPTOPP_5_3_0",
            "CRYPTOPP_5_2_3",
            "CRYPTOPP_5_2_1",
            "CRYPTOPP_5_2",
            "CRYPTOPP_5_1",
            "CRYPTOPP_5_0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48570.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.804718699Z",
      "provider": "osv",
      "references": [
        "https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48570.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-48570",
        "https://github.com/weidai11/cryptopp/issues/992"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48570.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-48570",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 505110,
  "published_at": "2023-08-22T00:00:00+00:00"
}