{"id":"CVE-2015-7855","details":"The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (assertion failure) via a 6 or mode 7 packet containing a long data value.","modified":"2026-04-16T01:44:29.591491671Z","published":"2017-08-07T20:29:00Z","withdrawn":"2026-01-27T04:15:09.837948Z","related":["SUSE-SU-2015:2058-1","SUSE-SU-2016:1247-1","SUSE-SU-2016:1311-1","openSUSE-SU-2024:10181-1"],"references":[{"type":"FIX","url":"http://support.ntp.org/bin/view/Main/NtpBug2922"},{"type":"ADVISORY","url":"http://www.debian.org/security/2015/dsa-3388"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/77283"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1033951"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1274264"},{"type":"ADVISORY","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf"},{"type":"ADVISORY","url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201607-15"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20171004-0001/"},{"type":"ADVISORY","url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11"},{"type":"EVIDENCE","url":"https://www.exploit-db.com/exploits/40840/"}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}