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Vulnerability record · CVE-2015-5219 · published 21 July 2017

CVE-2015-5219: Fedoraproject fedora vulnerability

Fedoraproject · Fedora

The ULOGTOD function in ntp.d in SNTP before 4.2.7p366 does not properly perform type conversions from a precision value to a double, which allows remote attackers to cause a denial of service (infinite loop) via a crafted NTP packet.

7.5 CVSS 3.1 High EPSS 5.8% · top 7.1% CWE-704 · CWE-704
7.5CVSS 3.1 base score, v2 5.0
5.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
18Affected product versions listed by NVD
48References
17 Jun 2026Last modified by NVD

Description

The ULOGTOD function in ntp.d in SNTP before 4.2.7p366 does not properly perform type conversions from a precision value to a double, which allows remote attackers to cause a denial of service (infinite loop) via a crafted NTP packet.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

18 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://aix.software.ibm.com/aix/efixes/security/ntp_advisory4.asc Third Party Advisory
http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhg Issue TrackingPatchThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html Broken Link
http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html Broken Link
http://rhn.redhat.com/errata/RHSA-2016-0780.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2583.html Third Party Advisory
http://www.debian.org/security/2015/dsa-3388 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/08/25/3 Mailing ListPatchThird Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html Third Party Advisory
http://www.securityfocus.com/bid/76473 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2783-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1255118 Issue Tracking
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf Third Party Advisory
https://github.com/ntp-project/ntp/commit/5f295cd05c3c136d39f5b3e500a2d781bdbb59c8 Issue TrackingPatchThird Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11 Third Party AdvisoryUS Government Resource
https://www-01.ibm.com/support/docview.wss?uid=isg3T1024157 Third Party Advisory
https://www-01.ibm.com/support/docview.wss?uid=swg21985122 Third Party Advisory
https://www-01.ibm.com/support/docview.wss?uid=swg21986956 Third Party Advisory
https://www-01.ibm.com/support/docview.wss?uid=swg21988706 Third Party Advisory
https://www-01.ibm.com/support/docview.wss?uid=swg21989542 Third Party Advisory
https://www.ibm.com/support/home/docdisplay?lndocid=migr-5099409 Third Party Advisory
http://aix.software.ibm.com/aix/efixes/security/ntp_advisory4.asc Third Party Advisory
http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhg Issue TrackingPatchThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html Broken Link
http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html Broken Link
http://rhn.redhat.com/errata/RHSA-2016-0780.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2583.html Third Party Advisory
http://www.debian.org/security/2015/dsa-3388 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/08/25/3 Mailing ListPatchThird Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html Third Party Advisory
http://www.securityfocus.com/bid/76473 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2783-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1255118 Issue Tracking
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2015-5219), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.