{"id":"CVE-2021-21938","aliases":["EUVD-2021-9109","GHSA-453x-fr3c-fmj5"],"status":"published","title":"A heap-based buffer overflow vulnerability exists in the Palette box parser functionality of...","description":"A heap-based buffer overflow vulnerability exists in the Palette box parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.","severity":{"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":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01913,"percentile":0.80117,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-193","CWE-787"],"published":"2022-04-14T19:55:49Z","modified":"2026-06-17T03:36:23Z","products":[{"vendor":"accusoft","product":"imagegear"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1367","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"http://help.accusoft.com/ImageGear/v20.0/Windows/DLL/webframe.html","tags":["x_transferred","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21938"},{"url":"https://github.com/advisories/GHSA-453x-fr3c-fmj5"}],"sources":{"cve":[{"id":"CVE-2021-21938","description":"A heap-based buffer overflow vulnerability exists in the Palette box parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2022-04-14T19:55:49.844Z","modified":"2025-04-15T19:09:31.87Z","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":"cna"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T14:33:00.137099Z"}],"euvd":[{"id":"EUVD-2021-9109","description":"A heap-based buffer overflow vulnerability exists in the Palette box parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2022-04-14T19:55:49Z","modified":"2025-04-15T19:09:31Z","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"}],"updated_at":"2026-11-02T20:52:26.772603Z"}],"ghsa":[{"id":"GHSA-453x-fr3c-fmj5","title":"A heap-based buffer overflow vulnerability exists in the Palette box parser functionality of...","description":"A heap-based buffer overflow vulnerability exists in the Palette box parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2022-04-15T00:00:40Z","modified":"2023-03-17T15:30:25Z","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-193","CWE-787"],"updated_at":"2026-11-02T14:54:21.374342Z"}],"nvd":[{"id":"CVE-2021-21938","description":"A heap-based buffer overflow vulnerability exists in the Palette box parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2022-04-14T20:15:08.157Z","modified":"2026-06-17T03:36:23.703Z","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":"secondary"},{"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","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-193"],"updated_at":"2026-11-02T14:07:06.029737Z"}]}}