Security advisory

{
  "id": "378ae657db54489c6e0346c2b8daf7ad2b8b7e0869fe1a1280f7d38482d28010",
  "url": "https://osv.dev/vulnerability/CVE-2016-6305",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-6305",
    "summary": "The ssl3_read_bytes function in record/rec_layer_s3.c in OpenSSL 1.1.0 before 1.1.0a allows remote attackers to cause a denial of service (infinite loop) by triggering a zero-length record in an SSL_peek call.",
    "evidence": "osv:CVE-2016-6305",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2016-6305",
      "aliases": [
        "CVE-2016-6305"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openssl/openssl",
              "type": "GIT",
              "events": [
                {
                  "introduced": "7ea5bd2b52d0e81eaef3d109b3b12545306f201c"
                },
                {
                  "last_affected": "7ea5bd2b52d0e81eaef3d109b3b12545306f201c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:openssl:openssl:1.1.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.1.0"
                      },
                      {
                        "last_affected": "1.1.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.1.0",
            "OpenSSL_1_1_0l"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-6305.json"
          }
        }
      ],
      "modified": "2026-10-20T10:47:54.968716913Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
        "https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=63658103d4441924f8dbfc517b99bb54758a98b9",
        "https://www.tenable.com/security/tns-2016-16",
        "https://www.tenable.com/security/tns-2016-20",
        "https://www.tenable.com/security/tns-2016-21",
        "https://bto.bluecoat.com/security-advisory/sa132",
        "https://security.gentoo.org/glsa/201612-16",
        "https://www.openssl.org/news/secadv/20160922.txt",
        "https://github.com/openssl/openssl/issues/1563"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2016-6305",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379828,
  "published_at": "2016-09-26T19:59:01.597+00:00"
}