{"id":"CVE-2021-44340","aliases":["EUVD-2021-31183","GHSA-v644-2jg6-mhpv"],"status":"published","title":"David Brackeen ok-file-formats dev version is vulnerable to Buffer Overflow. When the function of...","description":"David Brackeen ok-file-formats dev version is vulnerable to Buffer Overflow. When the function of the ok-file-formats project is used, a heap-buffer-overflow occurred in function ok_jpg_generate_huffman_table() in \"/ok_jpg.c:403\".","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.0073,"percentile":0.54775,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2022-02-28T15:50:53Z","modified":"2026-06-17T04:12:10Z","products":[{"vendor":"ok-file-formats_project","product":"ok-file-formats"}],"references":[{"url":"https://github.com/brackeen/ok-file-formats/issues/11","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44340"},{"url":"https://github.com/advisories/GHSA-v644-2jg6-mhpv"}],"sources":{"cve":[{"id":"CVE-2021-44340","description":"David Brackeen ok-file-formats dev version is vulnerable to Buffer Overflow. When the function of the ok-file-formats project is used, a heap-buffer-overflow occurred in function ok_jpg_generate_huffman_table() in \"/ok_jpg.c:403\".","status":"published","published":"2022-02-28T15:50:53Z","modified":"2024-08-04T04:17:24.884Z","updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2021-31183","description":"David Brackeen ok-file-formats dev version is vulnerable to Buffer Overflow. When the function of the ok-file-formats project is used, a heap-buffer-overflow occurred in function ok_jpg_generate_huffman_table() in \"/ok_jpg.c:403\".","status":"published","published":"2022-02-28T15:50:53Z","modified":"2024-08-04T04:17:24Z","updated_at":"2026-11-03T03:24:12.005069Z"}],"ghsa":[{"id":"GHSA-v644-2jg6-mhpv","title":"David Brackeen ok-file-formats dev version is vulnerable to Buffer Overflow. When the function of...","description":"David Brackeen ok-file-formats dev version is vulnerable to Buffer Overflow. When the function of the ok-file-formats project is used, a heap-buffer-overflow occurred in function ok_jpg_generate_huffman_table() in \"/ok_jpg.c:403\".","status":"published","published":"2022-03-01T00:00:27Z","modified":"2023-02-03T05:06:19Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:53:52.731364Z"}],"nvd":[{"id":"CVE-2021-44340","description":"David Brackeen ok-file-formats dev version is vulnerable to Buffer Overflow. When the function of the ok-file-formats project is used, a heap-buffer-overflow occurred in function ok_jpg_generate_huffman_table() in \"/ok_jpg.c:403\".","status":"published","published":"2022-02-28T16:15:07.923Z","modified":"2026-06-17T04:12:10.28Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:05.198719Z"}]}}