Security advisory

{
  "id": "9463b1314c5346e36c9d08110cdbe549cfc8974f9cd73c9b20d42b51bd76b188",
  "url": "https://osv.dev/vulnerability/CVE-2018-5251",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-5251",
    "summary": "In libming 0.4.8, there is an integer signedness error vulnerability (left shift of a negative value) in the readSBits function (util/read.c). Remote attackers can leverage this vulnerability to cause a denial of service via a crafted swf file.",
    "evidence": "osv:CVE-2018-5251",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-5251",
      "aliases": [
        "CVE-2018-5251"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/libming/libming",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b72cc2fda0e8b3792b7b3f7361fc3f917f269433"
                },
                {
                  "last_affected": "b72cc2fda0e8b3792b7b3f7361fc3f917f269433"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libming:libming:0.4.8:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.4.8"
                      },
                      {
                        "last_affected": "0.4.8"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.4.8",
            "ming-0_4_8"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-5251.json"
          }
        }
      ],
      "modified": "2026-10-20T10:48:09.661486247Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2018/03/msg00008.html",
        "https://security.gentoo.org/glsa/201904-24",
        "https://github.com/libming/libming/issues/97"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "7.0"
                  },
                  {
                    "last_affected": "7.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-5251",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380098,
  "published_at": "2018-01-05T20:29:00.28+00:00"
}