{"id":"CVE-2020-23706","aliases":["EUVD-2020-16447","GHSA-68f5-623h-wc9v"],"status":"published","title":"A heap-based buffer overflow vulnerability in the function ok_jpg_decode_block_subsequent_scan()...","description":"A heap-based buffer overflow vulnerability in the function ok_jpg_decode_block_subsequent_scan() ok_jpg.c:1102 of ok-file-formats through 2020-06-26 allows attackers to cause a Denial of Service (DOS) via a crafted jpeg file.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0101,"percentile":0.63401,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-07-15T21:55:07Z","modified":"2026-06-17T03:04:55Z","products":[{"vendor":"ok-file-formats_project","product":"ok-file-formats"}],"references":[{"url":"https://github.com/brackeen/ok-file-formats/issues/7","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-23706"},{"url":"https://github.com/advisories/GHSA-68f5-623h-wc9v"}],"sources":{"cve":[{"id":"CVE-2020-23706","description":"A heap-based buffer overflow vulnerability in the function ok_jpg_decode_block_subsequent_scan() ok_jpg.c:1102 of ok-file-formats through 2020-06-26 allows attackers to cause a Denial of Service (DOS) via a crafted jpeg file.","status":"published","published":"2021-07-15T21:55:07Z","modified":"2024-08-04T15:05:10.832Z","updated_at":"2026-11-02T14:35:49.209579Z"}],"euvd":[{"id":"EUVD-2020-16447","description":"A heap-based buffer overflow vulnerability in the function ok_jpg_decode_block_subsequent_scan() ok_jpg.c:1102 of ok-file-formats through 2020-06-26 allows attackers to cause a Denial of Service (DOS) via a crafted jpeg file.","status":"published","published":"2021-07-15T21:55:07Z","modified":"2024-08-04T15:05:10Z","updated_at":"2026-11-03T03:07:21.209139Z"}],"ghsa":[{"id":"GHSA-68f5-623h-wc9v","title":"A heap-based buffer overflow vulnerability in the function ok_jpg_decode_block_subsequent_scan()...","description":"A heap-based buffer overflow vulnerability in the function ok_jpg_decode_block_subsequent_scan() ok_jpg.c:1102 of ok-file-formats through 2020-06-26 allows attackers to cause a Denial of Service (DOS) via a crafted jpeg file.","status":"published","published":"2022-05-24T19:08:20Z","modified":"2023-01-30T05:00:52Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:17.249643Z"}],"nvd":[{"id":"CVE-2020-23706","description":"A heap-based buffer overflow vulnerability in the function ok_jpg_decode_block_subsequent_scan() ok_jpg.c:1102 of ok-file-formats through 2020-06-26 allows attackers to cause a Denial of Service (DOS) via a crafted jpeg file.","status":"published","published":"2021-07-15T22:15:09.24Z","modified":"2026-06-17T03:04:55.59Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:44.292752Z"}]}}