{"id":"CVE-2021-21793","aliases":["EUVD-2021-8965","GHSA-rmfc-w52c-mp4g"],"status":"published","title":"An out-of-bounds write vulnerability exists in the JPG sof_nb_comp header processing...","description":"An out-of-bounds write vulnerability exists in the JPG sof_nb_comp header processing functionality of Accusoft ImageGear 19.8 and 19.9. A specially crafted malformed file can lead to memory corruption. 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":"2026-11-11","score":0.01137,"percentile":0.66974,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-131","CWE-787"],"published":"2021-07-08T11:11:53Z","modified":"2026-06-17T03:36:07Z","products":[{"vendor":"accusoft","product":"imagegear"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1257","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21793"},{"url":"https://github.com/advisories/GHSA-rmfc-w52c-mp4g"}],"sources":{"cve":[{"id":"CVE-2021-21793","description":"An out-of-bounds write vulnerability exists in the JPG sof_nb_comp header processing functionality of Accusoft ImageGear 19.8 and 19.9. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2021-07-08T11:11:53Z","modified":"2024-08-03T18:23:29.461Z","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-131"],"updated_at":"2026-11-02T14:33:00.137099Z"}],"euvd":[{"id":"EUVD-2021-8965","description":"An out-of-bounds write vulnerability exists in the JPG sof_nb_comp header processing functionality of Accusoft ImageGear 19.8 and 19.9. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2021-07-08T11:11:53Z","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-rmfc-w52c-mp4g","title":"An out-of-bounds write vulnerability exists in the JPG sof_nb_comp header processing...","description":"An out-of-bounds write vulnerability exists in the JPG sof_nb_comp header processing functionality of Accusoft ImageGear 19.8 and 19.9. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2022-05-24T19:07:17Z","modified":"2023-01-29T05:05:14Z","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-131","CWE-787"],"updated_at":"2026-11-02T14:45:44.97547Z"}],"nvd":[{"id":"CVE-2021-21793","description":"An out-of-bounds write vulnerability exists in the JPG sof_nb_comp header processing functionality of Accusoft ImageGear 19.8 and 19.9. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2021-07-08T12:15:09.937Z","modified":"2026-06-17T03:36:07.64Z","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","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":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-131","CWE-787"],"updated_at":"2026-11-02T14:06:55.259633Z"}]}}