{"id":"CVE-2019-16928","aliases":[],"url":"https://o3.security/vulnerability/CVE-2019-16928","summary":null,"details":"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.","published":"2019-09-27T21:15:10.017Z","modified":"2026-07-08T05:54:56.409703277Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.41638,"percentile":0.98574,"asOf":"2026-08-24"},"cisaKev":{"dateAdded":"2022-03-03","dueDate":"2022-03-17","knownRansomwareCampaignUse":false},"exploitsKnown":4,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16928"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2019/09/28/3"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2019/09/28/4"},{"type":"ADVISORY","url":"https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2019/Sep/60"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202003-47"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4141-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4536"},{"type":"FIX","url":"https://bugs.exim.org/show_bug.cgi?id=2449"},{"type":"FIX","url":"https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f"},{"type":"EVIDENCE","url":"http://www.openwall.com/lists/oss-security/2019/09/28/1"},{"type":"EVIDENCE","url":"http://www.openwall.com/lists/oss-security/2019/09/28/2"}],"provenance":{"sources":["OSV.dev","CISA KEV","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:54:56.409703277Z"}}