{"id":"CVE-2022-21147","aliases":["EUVD-2022-26393","GHSA-6r55-j877-x6cq"],"status":"published","title":"An out of bounds read vulnerability exists in the malware scan functionality of ESTsoft Alyac 2.5...","description":"An out of bounds read vulnerability exists in the malware scan functionality of ESTsoft Alyac 2.5.7.7. A specially-crafted PE file can trigger this vulnerability to cause denial of service and termination of malware scan. An attacker can provide a malicious file to trigger this vulnerability.","severity":{"version":"3.0","score":5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0067,"percentile":0.52332,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125","CWE-823"],"published":"2022-05-12T17:01:26Z","modified":"2026-06-17T04:25:37Z","products":[{"vendor":"estsoft","product":"alyac"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2022-1452","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.estsecurity.com/public/product/alyac","tags":["x_refsource_CONFIRM","x_transferred","Product","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-21147"},{"url":"https://github.com/advisories/GHSA-6r55-j877-x6cq"}],"sources":{"cve":[{"id":"CVE-2022-21147","description":"An out of bounds read vulnerability exists in the malware scan functionality of ESTsoft Alyac 2.5.7.7. A specially-crafted PE file can trigger this vulnerability to cause denial of service and termination of malware scan. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2022-05-12T17:01:26.586Z","modified":"2025-04-15T19:04:01.862Z","cvss":[{"version":"3.0","score":5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-823"],"updated_at":"2026-11-02T14:34:29.057251Z"}],"euvd":[{"id":"EUVD-2022-26393","description":"An out of bounds read vulnerability exists in the malware scan functionality of ESTsoft Alyac 2.5.7.7. A specially-crafted PE file can trigger this vulnerability to cause denial of service and termination of malware scan. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2022-05-12T17:01:26Z","modified":"2025-04-15T19:04:01Z","cvss":[{"version":"3.0","score":5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:52:26.772603Z"}],"ghsa":[{"id":"GHSA-6r55-j877-x6cq","title":"An out of bounds read vulnerability exists in the malware scan functionality of ESTsoft Alyac 2.5...","description":"An out of bounds read vulnerability exists in the malware scan functionality of ESTsoft Alyac 2.5.7.7. A specially-crafted PE file can trigger this vulnerability to cause denial of service and termination of malware scan. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2022-05-13T00:00:48Z","modified":"2023-02-01T05:02:24Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:49:54.32219Z"}],"nvd":[{"id":"CVE-2022-21147","description":"An out of bounds read vulnerability exists in the malware scan functionality of ESTsoft Alyac 2.5.7.7. A specially-crafted PE file can trigger this vulnerability to cause denial of service and termination of malware scan. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2022-05-12T17:15:09.843Z","modified":"2026-06-17T04:25:37.037Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.0","score":5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"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-823","CWE-125"],"updated_at":"2026-11-02T14:07:19.51203Z"}]}}