{"id":"CVE-2025-42599","aliases":["EUVD-2025-11849","GHSA-wvvm-3j2m-8rj3"],"status":"published","title":"Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow...","description":"Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability. Receiving a specially crafted request created and sent by a remote unauthenticated attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition.","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":0.03355,"percentile":0.88804,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2025-04-18T03:52:48Z","modified":"2026-09-24T13:10:00Z","kev":{"date_added":"2025-04-28","due_date":"2025-05-19","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2025-04-28"},{"source":"kev","since":"2025-04-28"}],"products":[{"vendor":"qualitia","product":"active! mail"},{"vendor":"qualitia","product":"active\\!_mail"},{"vendor":"qualitia co., ltd.","product":"active! mail 6"}],"references":[{"url":"https://www.qualitia.com/jp/news/2025/04/18_1030.html","tags":["Vendor Advisory"]},{"url":"https://jvn.jp/en/jp/JVN22348866/","tags":["Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-42599","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-42599"},{"url":"https://jvn.jp/en/jp/JVN22348866"},{"url":"https://github.com/advisories/GHSA-wvvm-3j2m-8rj3"}],"sources":{"cve":[{"id":"CVE-2025-42599","description":"Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability. Receiving a specially crafted request created and sent by a remote unauthenticated attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition.","status":"published","published":"2025-04-18T03:52:48.607Z","modified":"2026-02-26T18:28:10.158Z","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-121"],"updated_at":"2026-11-02T14:32:30.9782Z"}],"euvd":[{"id":"EUVD-2025-11849","description":"Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability. Receiving a specially crafted request created and sent by a remote unauthenticated attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition.","status":"published","published":"2025-04-18T03:52:48Z","modified":"2026-02-26T18:28:10Z","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"}],"exploited_since":"2025-04-28","updated_at":"2026-11-02T19:48:17.446722Z"}],"ghsa":[{"id":"GHSA-wvvm-3j2m-8rj3","title":"Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow...","description":"Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability. Receiving a specially crafted request created and sent by a remote unauthenticated attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition.","status":"published","published":"2025-04-18T15:31:37Z","modified":"2025-10-22T00:33:18Z","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"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:04:08.198655Z"}],"kev":[{"id":"CVE-2025-42599","title":"Qualitia Active! Mail Stack-Based Buffer Overflow Vulnerability","description":"Qualitia Active! Mail contains a stack-based buffer overflow vulnerability that allows a remote, unauthenticated attacker to execute arbitrary or trigger a denial-of-service via a specially crafted request.","cwes":["CWE-121"],"kev":{"date_added":"2025-04-28","due_date":"2025-05-19","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:15.999436Z"}],"nvd":[{"id":"CVE-2025-42599","description":"Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability. 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