Security advisory

{
  "id": "a565a6082a5805f4fc8109d16d9d7d7ae5d37bf9332713a4a1c0c35af5430c6c",
  "url": "https://osv.dev/vulnerability/CVE-2018-11740",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-11740",
    "summary": "An issue was discovered in libtskbase.a in The Sleuth Kit (TSK) from release 4.0.2 through to 4.6.1. An out-of-bounds read of a memory region was found in the function tsk_UTF16toUTF8 in tsk/base/tsk_unicode.c which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service attack.",
    "evidence": "osv:CVE-2018-11740",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-11740",
      "aliases": [
        "CVE-2018-11740"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/sleuthkit/sleuthkit",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9b776576aa6a1fbf328e82fd7cb6b428179de016"
                },
                {
                  "last_affected": "777f36e02347f4383e1e550cc9b92b19966bf3c3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sleuthkit:the_sleuth_kit:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.2"
                      },
                      {
                        "last_affected": "4.6.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "sleuthkit-4.6.1",
            "sleuthkit-4.0.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-11740.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:59.932509385Z",
      "provider": "osv",
      "references": [
        "https://github.com/sleuthkit/sleuthkit/issues/1264"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-11740",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381125,
  "published_at": "2018-06-05T11:29:00.463+00:00"
}