Security advisory

{
  "id": "30ecc759cb09f5ab58de0e5d2f9cf6c9954e07b04d1aa68cacda709f802dc95b",
  "url": "https://osv.dev/vulnerability/CVE-2017-1000458",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-1000458",
    "summary": "Bro before Bro v2.5.2 is vulnerable to an out of bounds write in the ContentLine analyzer allowing remote attackers to cause a denial of service (crash) and possibly other exploitation.",
    "evidence": "osv:CVE-2017-1000458",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2017-1000458",
      "aliases": [
        "CVE-2017-1000458"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/bro/bro",
              "type": "GIT",
              "events": [
                {
                  "introduced": "15462ec034414a9a891c917a49ecf2782c31012d"
                },
                {
                  "last_affected": "15462ec034414a9a891c917a49ecf2782c31012d"
                },
                {
                  "fixed": "6c0f101a62489b1c5927b4ed63b0e1d37db40282"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bro:bro:2.5.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.5.2"
                      },
                      {
                        "last_affected": "2.5.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "6c0f101a62489b1c5927b4ed63b0e1d37db40282"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.5.2",
            "v2.5.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-1000458.json",
            "vanir_signatures": [
              {
                "id": "CVE-2017-1000458-96f05b51",
                "digest": {
                  "length": 1285,
                  "function_hash": "314230704580117239620428961814389718311"
                },
                "source": "https://github.com/bro/bro/commit/6c0f101a62489b1c5927b4ed63b0e1d37db40282",
                "target": {
                  "file": "src/analyzer/protocol/tcp/ContentLine.cc",
                  "function": "ContentLine_Analyzer::DoDeliverOnce"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-1000458-d3372ac2",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "252986685978261559604287061895409808001",
                    "157222507407568721352694592129854957913",
                    "21707835919630023512851080404486787951",
                    "274180513845098636242285476533097899499"
                  ]
                },
                "source": "https://github.com/bro/bro/commit/6c0f101a62489b1c5927b4ed63b0e1d37db40282",
                "target": {
                  "file": "src/analyzer/protocol/tcp/ContentLine.cc"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:14:04Z"
          }
        }
      ],
      "modified": "2026-10-20T13:14:04.268290088Z",
      "provider": "osv",
      "references": [
        "https://bro-tracker.atlassian.net/browse/BIT-1856",
        "https://github.com/bro/bro/commit/6c0f101a62489b1c5927b4ed63b0e1d37db40282"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-1000458",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387355,
  "published_at": "2018-01-02T18:29:00.323+00:00"
}