Security advisory

{
  "id": "4e08378d0f1b5153dade97a30cbf827bde9ebc101908598e4ace0018803db632",
  "url": "https://osv.dev/vulnerability/CVE-2020-26208",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-26208",
    "summary": "JHEAD is a simple command line tool for displaying and some manipulation of EXIF header data embedded in Jpeg images from digital cameras. In affected versions there is a heap-buffer-overflow on jhead-3.04/jpgfile.c:285 ReadJpegSections. Crafted jpeg images can be provided to the user resulting in a program crash or potentially incorrect exif information retrieval. Users are advised to upgrade. There is no known workaround for this issue.",
    "evidence": "osv:CVE-2020-26208",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-26208",
      "aliases": [
        "CVE-2020-26208",
        "GHSA-7pr6-xq4f-qhgc"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/fstark-prog/jhead",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5186ddcf9e35a7aa0ff0539489a930434a1325f4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "5186ddcf9e35a7aa0ff0539489a930434a1325f4"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26208.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-26208-9cc15307",
                "digest": {
                  "length": 4468,
                  "function_hash": "169859494957838646546167816554253108203"
                },
                "source": "https://github.com/fstark-prog/jhead/commit/5186ddcf9e35a7aa0ff0539489a930434a1325f4",
                "target": {
                  "file": "jpgfile.c",
                  "function": "ReadJpegSections"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-26208-9f1f6a1b",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "330576998942771320151481250915304193446",
                    "40248117166146344862024078462565820385",
                    "323429446749629407972037523201053216423",
                    "56402429679977452765806517496243227448",
                    "187911260753655467679865722206949584709",
                    "301837814040836008224752105503415912204",
                    "119770356065684445666760556539337173884",
                    "293215338876584511415204784118399240843"
                  ]
                },
                "source": "https://github.com/fstark-prog/jhead/commit/5186ddcf9e35a7aa0ff0539489a930434a1325f4",
                "target": {
                  "file": "jpgfile.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:17:06Z"
          }
        }
      ],
      "modified": "2026-10-20T13:17:06.638966981Z",
      "provider": "osv",
      "references": [
        "https://github.com/F-ZhaoYang/jhead/commit/5186ddcf9e35a7aa0ff0539489a930434a1325f4",
        "https://github.com/Matthias-Wandel/jhead/issues/7",
        "https://bugs.launchpad.net/ubuntu/+source/jhead/+bug/1900821",
        "https://github.com/F-ZhaoYang/jhead/security/advisories/GHSA-7pr6-xq4f-qhgc"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:jhead_project:jhead:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "jhead_project:jhead",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "3.04"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-26208",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387445,
  "published_at": "2022-02-02T12:15:07.783+00:00"
}