{"id":"CVE-2017-16944","details":"The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.","modified":"2026-05-15T12:03:03.711808964Z","published":"2017-11-25T17:29:00.307Z","related":["openSUSE-SU-2021:0677-1","openSUSE-SU-2021:0753-1","openSUSE-SU-2021:0754-1","openSUSE-SU-2024:10746-1"],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"9.0"}],"source":"CPE_FIELD","vendor_product":"debian:debian_linux"}]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2021/05/04/7"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1039873"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-4053"},{"type":"ADVISORY","url":"https://www.exploit-db.com/exploits/43184/"},{"type":"REPORT","url":"https://bugs.exim.org/show_bug.cgi?id=2201"},{"type":"ARTICLE","url":"http://openwall.com/lists/oss-security/2017/11/25/1"},{"type":"ARTICLE","url":"http://openwall.com/lists/oss-security/2017/11/25/2"},{"type":"ARTICLE","url":"http://openwall.com/lists/oss-security/2017/11/25/3"},{"type":"ARTICLE","url":"https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}