{"cve_id":"CVE-2019-16928","published":"2019-09-27T21:15:10.017000+00:00","last_modified":"2026-06-17T02:22:58.967000+00:00","vuln_status":"Analyzed","description":"Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","base_score":9.8,"base_severity":"CRITICAL","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-787"],"in_kev":true,"kev_date_added":"2022-03-03","kev_ransomware":false,"epss_score":0.41638,"epss_percentile":0.98683,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"USER","caps":["CODE_EXEC"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T09:04:57.321803+00:00","first_seen":"2019-09-27T21:15:10.017000+00:00","kev_first_seen":"2022-03-03T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["canonical","debian","exim","fedoraproject"],"products":["debian_linux","exim","fedora","ubuntu_linux"],"affected":[{"vendor":"canonical","product":"ubuntu_linux","ranges":["19.04"]},{"vendor":"debian","product":"debian_linux","ranges":["10.0"]},{"vendor":"exim","product":"exim","ranges":["≥ 4.92 and ≤ 4.92.2"]},{"vendor":"fedoraproject","product":"fedora","ranges":["29","30","31"]}]}