Security advisory

{
  "id": "dd22162894ff277ab750f27fac1db17ca37534b326bb280f6755c69d3b042b31",
  "url": "https://osv.dev/vulnerability/CVE-2018-16807",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-16807",
    "summary": "In Bro through 2.5.5, there is a memory leak potentially leading to DoS in scripts/base/protocols/krb/main.bro in the Kerberos protocol parser.",
    "evidence": "osv:CVE-2018-16807",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-16807",
      "aliases": [
        "CVE-2018-16807"
      ],
      "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/bro/bro",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "697aff2c0d569a8db1ca6b990a10838665a002c8"
                },
                {
                  "fixed": "34d0cf886ca16c665f673a299e295b2a2bc14533"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bro:bro:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.5.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "34d0cf886ca16c665f673a299e295b2a2bc14533"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.5.5",
            "v2.5.4",
            "v2.5.3",
            "v2.5.2",
            "v2.5.1",
            "v2.5.1-beta",
            "v2.5",
            "v2.5-beta2",
            "v2.5-beta",
            "v2.4",
            "v2.4-beta",
            "v2.3",
            "v2.3-beta",
            "v2.2",
            "v2.2-beta",
            "v2.1",
            "v1.1",
            "v2.1-beta",
            "v2.0",
            "v2.0-beta",
            "v2.0-beta-pre",
            "v1.6-dev"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-16807.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:52.098904463Z",
      "provider": "osv",
      "references": [
        "https://github.com/bro/bro/commit/34d0cf886ca16c665f673a299e295b2a2bc14533"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-16807",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380889,
  "published_at": "2018-09-11T02:29:00.24+00:00"
}