Security advisory

{
  "id": "586b873c071255df543cf9b82191721b01e215f9e93e04e60c19e991292af4b4",
  "url": "https://osv.dev/vulnerability/CVE-2018-11490",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-11490",
    "summary": "The DGifDecompressLine function in dgif_lib.c in GIFLIB (possibly version 3.0.x), as later shipped in cgif.c in sam2p 0.49.4, has a heap-based buffer overflow because a certain \"Private->RunningCode - 2\" array index is not checked. This will lead to a denial of service or possibly unspecified other impact.",
    "evidence": "osv:CVE-2018-11490",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-11490",
      "aliases": [
        "CVE-2018-11490"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pts/sam2p",
              "type": "GIT",
              "events": [
                {
                  "introduced": "02883208a1b6fab503bd367c1acae43133c5ff42"
                },
                {
                  "last_affected": "02883208a1b6fab503bd367c1acae43133c5ff42"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sam2p_project:sam2p:0.49.4:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.49.4"
                      },
                      {
                        "last_affected": "0.49.4"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.49.4",
            "v0.49.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-11490.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:59.437542353Z",
      "provider": "osv",
      "references": [
        "https://github.com/pts/sam2p/issues/38",
        "https://lists.debian.org/debian-lts-announce/2022/12/msg00008.html",
        "https://usn.ubuntu.com/4107-1/"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:giflib_project:giflib:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "giflib_project:giflib",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "3.0"
                  },
                  {
                    "last_affected": "3.1.1"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "cpes": [
              "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:19.04:*:*:*:*:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "16.04"
                  },
                  {
                    "last_affected": "16.04"
                  },
                  {
                    "introduced": "18.04"
                  },
                  {
                    "last_affected": "18.04"
                  },
                  {
                    "introduced": "19.04"
                  },
                  {
                    "last_affected": "19.04"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-11490",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381108,
  "published_at": "2018-05-26T18:29:00.277+00:00"
}