Security advisory

{
  "id": "52d700be0ee01841ffc344ab08add30e3b288d73e655faca529fc4c7f0c04c03",
  "url": "https://osv.dev/vulnerability/CVE-2020-3123",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-3123",
    "summary": "A vulnerability in the Data-Loss-Prevention (DLP) module in Clam AntiVirus (ClamAV) Software versions 0.102.1 and 0.102.0 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to an out-of-bounds read affecting users that have enabled the optional DLP feature. An attacker could exploit this vulnerability by sending a crafted email file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.",
    "evidence": "osv:CVE-2020-3123",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-3123",
      "aliases": [
        "CVE-2020-3123"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/cisco-talos/clamav",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8925c55dfc6f34e7667a0afa65fdc2f5a558be3e"
                },
                {
                  "last_affected": "8475a3ca91fcca54849f4e49ec51e33dc6d56696"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:clamav:clamav:0.102.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.102.0"
                      },
                      {
                        "last_affected": "0.102.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:clamav:clamav:0.102.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.102.1"
                      },
                      {
                        "last_affected": "0.102.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.102.0",
            "0.102.1",
            "clamav-0.102.1",
            "clamav-0.102.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-3123.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:57.605653720Z",
      "provider": "osv",
      "references": [
        "https://blog.clamav.net/2020/02/clamav-01022-security-patch-released.html",
        "https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs59062",
        "https://security.gentoo.org/glsa/202003-46",
        "https://usn.ubuntu.com/4280-1/",
        "https://usn.ubuntu.com/4280-2/"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*"
            ],
            "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"
                  },
                  {
                    "introduced": "19.10"
                  },
                  {
                    "last_affected": "19.10"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-3123",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438893,
  "published_at": "2020-02-05T18:15:11.203+00:00"
}