Security advisory

{
  "id": "25ce718c57121989250c3760e8cac5621ce953e0fc290f7d4197cf8fc46badcc",
  "url": "https://osv.dev/vulnerability/CVE-2018-15378",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-15378",
    "summary": "A vulnerability in ClamAV versions prior to 0.100.2 could allow an attacker to cause a denial of service (DoS) condition. The vulnerability is due to an error related to the MEW unpacker within the \"unmew11()\" function (libclamav/mew.c), which can be exploited to trigger an invalid read memory access via a specially crafted EXE file.",
    "evidence": "osv:CVE-2018-15378",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-15378",
      "aliases": [
        "CVE-2018-15378"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/cisco-talos/clamav",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "311197875635e660000fce1c35d3f2cad89befe6"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.100.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "clamav-0.100.1",
            "clamav-0.100.0",
            "clamav-0.100.0-rc",
            "clamav-0.100-beta",
            "clamav-0.99.3-beta2",
            "clamav-0.99.3-beta1",
            "clamav-0.97",
            "clamav-0.97rc",
            "clamav-0.96.5",
            "clamav-0.96.4",
            "clamav-0.96.3",
            "clamav-0.96.2",
            "clamav-0.96",
            "clamav-0.96rc2",
            "clamav-0.96rc1",
            "merge-llvm-97877",
            "r5076"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-15378.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:23.620885969Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2018/10/msg00014.html",
        "https://security.gentoo.org/glsa/201904-12",
        "https://usn.ubuntu.com/3789-1/",
        "https://usn.ubuntu.com/3789-2/",
        "https://www.flexera.com/company/secunia-research/advisories/SR-2018-23.html",
        "https://secuniaresearch.flexerasoftware.com/advisories/83000/",
        "https://bugzilla.clamav.net/show_bug.cgi?id=12170"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "12.04"
                  },
                  {
                    "last_affected": "12.04"
                  },
                  {
                    "introduced": "14.04"
                  },
                  {
                    "last_affected": "14.04"
                  },
                  {
                    "introduced": "16.04"
                  },
                  {
                    "last_affected": "16.04"
                  },
                  {
                    "introduced": "18.04"
                  },
                  {
                    "last_affected": "18.04"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-15378",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430967,
  "published_at": "2018-10-15T17:29:00.677+00:00"
}