Security advisory

{
  "id": "d7f8e5f3dec55afee364ae91e9f7e515f24804123ff497a7f10c90446d2ce4c9",
  "url": "https://osv.dev/vulnerability/CVE-2020-12268",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-12268",
    "summary": "jbig2_image_compose in jbig2_image.c in Artifex jbig2dec before 0.18 has a heap-based buffer overflow.",
    "evidence": "osv:CVE-2020-12268",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-12268",
      "aliases": [
        "CVE-2020-12268"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/artifexsoftware/jbig2dec",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "7e45faa81deadc4a3b4419a9e76a17782e8034f4"
                },
                {
                  "fixed": "0726320a4b55078e9d8deb590e477d598b3da66e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:artifex:jbig2dec:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.18"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "0726320a4b55078e9d8deb590e477d598b3da66e"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.16",
            "0.15",
            "0.14",
            "0.13",
            "0.12",
            "0.11",
            "0.10",
            "0.6",
            "0.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12268.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-12268-924c29ab",
                "digest": {
                  "length": 2314,
                  "function_hash": "155900799814058220493720912559208313050"
                },
                "source": "https://github.com/artifexsoftware/jbig2dec/commit/0726320a4b55078e9d8deb590e477d598b3da66e",
                "target": {
                  "file": "jbig2_image.c",
                  "function": "jbig2_image_compose"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-12268-c0987598",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "61396668555749811848068125231363856132",
                    "252418362158374979476010566018152555753",
                    "246957501170545357834171659149094779928",
                    "165385627614570169697733398513774003925",
                    "234582650076415910176916236025065889186",
                    "220260793454758799366951002293607683045",
                    "110233043273871289438074883028102066942"
                  ]
                },
                "source": "https://github.com/artifexsoftware/jbig2dec/commit/0726320a4b55078e9d8deb590e477d598b3da66e",
                "target": {
                  "file": "jbig2_image.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:44:00Z"
          }
        }
      ],
      "modified": "2026-10-20T13:44:00.367098961Z",
      "provider": "osv",
      "references": [
        "https://github.com/ArtifexSoftware/jbig2dec/compare/0.17...0.18",
        "https://lists.debian.org/debian-lts-announce/2021/10/msg00023.html",
        "https://github.com/ArtifexSoftware/jbig2dec/commit/0726320a4b55078e9d8deb590e477d598b3da66e",
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20332"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
            ],
            "vendor_product": "opensuse:leap",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "15.1"
                  },
                  {
                    "last_affected": "15.1"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-12268",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388000,
  "published_at": "2020-04-27T02:15:12.617+00:00"
}