{"id":"CVE-2019-16928","state":"PUBLISHED","title":"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 ","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.","publishedAt":"2019-09-27T20:07:12.000Z","updatedAt":"2025-10-21T23:45:29.725Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html","https://bugs.exim.org/show_bug.cgi?id=2449","https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f","http://www.openwall.com/lists/oss-security/2019/09/28/1","http://www.openwall.com/lists/oss-security/2019/09/28/2","http://www.openwall.com/lists/oss-security/2019/09/28/3","https://www.debian.org/security/2019/dsa-4536","https://usn.ubuntu.com/4141-1/","http://www.openwall.com/lists/oss-security/2019/09/28/4","https://seclists.org/bugtraq/2019/Sep/60","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/","https://security.gentoo.org/glsa/202003-47","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16928"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T19:45:36.262Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/16xxx/CVE-2019-16928.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-16928","state":"PUBLISHED","datePublished":"2019-09-27T20:07:12.000Z","dateUpdated":"2025-10-21T23:45:29.725Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2019-09-27T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html","tags":["x_refsource_MISC"]},{"url":"https://bugs.exim.org/show_bug.cgi?id=2449","tags":["x_refsource_MISC"]},{"url":"https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f","tags":["x_refsource_MISC"]},{"url":"http://www.openwall.com/lists/oss-security/2019/09/28/1","name":"[oss-security] 20190928 Exim CVE-2019-16928 RCE using a heap-based buffer overflow","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://www.openwall.com/lists/oss-security/2019/09/28/2","name":"[oss-security] 20190928 Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://www.openwall.com/lists/oss-security/2019/09/28/3","name":"[oss-security] 20190928 Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://www.debian.org/security/2019/dsa-4536","name":"DSA-4536","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"https://usn.ubuntu.com/4141-1/","name":"USN-4141-1","tags":["vendor-advisory","x_refsource_UBUNTU"]},{"url":"http://www.openwall.com/lists/oss-security/2019/09/28/4","name":"[oss-security] 20190929 Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://seclists.org/bugtraq/2019/Sep/60","name":"20190929 [SECURITY] [DSA 4536-1] exim4 security update","tags":["mailing-list","x_refsource_BUGTRAQ"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/","name":"FEDORA-2019-006dfc94cd","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/","name":"FEDORA-2019-e080507ba5","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/","name":"FEDORA-2019-d778bd4137","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"https://security.gentoo.org/glsa/202003-47","name":"GLSA-202003-47","tags":["vendor-advisory","x_refsource_GENTOO"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2020-03-20T20:06:16.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2019-16928","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html","refsource":"MISC","url":"https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html"},{"name":"https://bugs.exim.org/show_bug.cgi?id=2449","refsource":"MISC","url":"https://bugs.exim.org/show_bug.cgi?id=2449"},{"name":"https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f","refsource":"MISC","url":"https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f"},{"name":"[oss-security] 20190928 Exim CVE-2019-16928 RCE using a heap-based buffer overflow","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2019/09/28/1"},{"name":"[oss-security] 20190928 Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2019/09/28/2"},{"name":"[oss-security] 20190928 Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2019/09/28/3"},{"name":"DSA-4536","refsource":"DEBIAN","url":"https://www.debian.org/security/2019/dsa-4536"},{"name":"USN-4141-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/4141-1/"},{"name":"[oss-security] 20190929 Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2019/09/28/4"},{"name":"20190929 [SECURITY] [DSA 4536-1] exim4 security update","refsource":"BUGTRAQ","url":"https://seclists.org/bugtraq/2019/Sep/60"},{"name":"FEDORA-2019-006dfc94cd","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/"},{"name":"FEDORA-2019-e080507ba5","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/"},{"name":"FEDORA-2019-d778bd4137","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/"},{"name":"GLSA-202003-47","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/202003-47"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://bugs.exim.org/show_bug.cgi?id=2449","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2019/09/28/1","name":"[oss-security] 20190928 Exim CVE-2019-16928 RCE using a heap-based buffer overflow","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2019/09/28/2","name":"[oss-security] 20190928 Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2019/09/28/3","name":"[oss-security] 20190928 Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://www.debian.org/security/2019/dsa-4536","name":"DSA-4536","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"https://usn.ubuntu.com/4141-1/","name":"USN-4141-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2019/09/28/4","name":"[oss-security] 20190929 Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://seclists.org/bugtraq/2019/Sep/60","name":"20190929 [SECURITY] [DSA 4536-1] exim4 security update","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/","name":"FEDORA-2019-006dfc94cd","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/","name":"FEDORA-2019-e080507ba5","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/","name":"FEDORA-2019-d778bd4137","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202003-47","name":"GLSA-202003-47","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T01:24:48.568Z"}},{"title":"CISA ADP Vulnrichment","references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16928","tags":["government-resource"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2019-16928","role":"CISA Coordinator","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-02-04T20:03:35.553352Z"}}},{"other":{"type":"kev","content":{"dateAdded":"2022-03-03","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16928"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","lang":"en","type":"CWE","description":"CWE-787 Out-of-bounds Write"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-21T23:45:29.725Z"},"timeline":[{"time":"2022-03-03T00:00:00.000Z","lang":"en","value":"CVE-2019-16928 added to CISA KEV"}]}]}}}