{"id":"CVE-2021-21807","aliases":["EUVD-2021-8979","GHSA-cvc7-ph4x-j6mp"],"status":"published","title":"An integer overflow vulnerability exists in the DICOM parse_dicom_meta_info functionality of...","description":"An integer overflow vulnerability exists in the DICOM parse_dicom_meta_info functionality of Accusoft ImageGear 19.9. A specially crafted malformed file can lead to a stack-based buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01458,"percentile":0.73745,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2021-07-07T21:30:30Z","modified":"2026-06-17T03:36:09Z","products":[{"vendor":"accusoft","product":"imagegear"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1275","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21807"},{"url":"https://github.com/advisories/GHSA-cvc7-ph4x-j6mp"}],"sources":{"cve":[{"id":"CVE-2021-21807","description":"An integer overflow vulnerability exists in the DICOM parse_dicom_meta_info functionality of Accusoft ImageGear 19.9. A specially crafted malformed file can lead to a stack-based buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2021-07-07T21:30:30Z","modified":"2024-08-03T18:23:29.548Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:33:00.137099Z"}],"euvd":[{"id":"EUVD-2021-8979","description":"An integer overflow vulnerability exists in the DICOM parse_dicom_meta_info functionality of Accusoft ImageGear 19.9. A specially crafted malformed file can lead to a stack-based buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2021-07-07T21:30:30Z","modified":"2024-08-03T18:23:29Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T03:25:05.131984Z"}],"ghsa":[{"id":"GHSA-cvc7-ph4x-j6mp","title":"An integer overflow vulnerability exists in the DICOM parse_dicom_meta_info functionality of...","description":"An integer overflow vulnerability exists in the DICOM parse_dicom_meta_info functionality of Accusoft ImageGear 19.9. A specially crafted malformed file can lead to a stack-based buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2022-05-24T19:07:19Z","modified":"2023-01-29T05:03:58Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:45:26.555782Z"}],"nvd":[{"id":"CVE-2021-21807","description":"An integer overflow vulnerability exists in the DICOM parse_dicom_meta_info functionality of Accusoft ImageGear 19.9. A specially crafted malformed file can lead to a stack-based buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2021-07-07T22:15:08Z","modified":"2026-06-17T03:36:09.247Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:06:55.259633Z"}]}}