Security advisory

{
  "id": "d685f89f626fe3109670832d3d97fc1cada280f59c9870244222f4afea9894f2",
  "url": "https://osv.dev/vulnerability/CVE-2016-6298",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-6298",
    "summary": "The _Rsa15 class in the RSA 1.5 algorithm implementation in jwa.py in jwcrypto before 0.3.2 lacks the Random Filling protection mechanism, which makes it easier for remote attackers to obtain cleartext data via a Million Message Attack (MMA).",
    "evidence": "osv:CVE-2016-6298",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2016-6298",
      "aliases": [
        "CVE-2016-6298",
        "GHSA-wg33-x934-3ghh",
        "PYSEC-2016-4"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/latchset/jwcrypto",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "b81d7ea6459b2ec42da519ba19f983e2f4416fbb"
                },
                {
                  "fixed": "eb5be5bd94c8cae1d7f3ba9801377084d8e5a7ba"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:latchset:jwcrypto:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.3.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "eb5be5bd94c8cae1d7f3ba9801377084d8e5a7ba"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "b81d7ea6459b2ec42da519ba19f983e2f4416fbb"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.3.2"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.3.1",
            "v0.3.0",
            "v0.2.1",
            "v0.2.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-6298.json"
          }
        }
      ],
      "modified": "2026-10-20T10:47:55.766151966Z",
      "provider": "osv",
      "references": [
        "https://github.com/latchset/jwcrypto/issues/65",
        "https://github.com/latchset/jwcrypto/commit/eb5be5bd94c8cae1d7f3ba9801377084d8e5a7ba",
        "https://github.com/latchset/jwcrypto/pull/66",
        "https://github.com/latchset/jwcrypto/releases/tag/v0.3.2"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2016-6298",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379830,
  "published_at": "2016-09-01T23:59:01.16+00:00"
}