Medium severity5.3NVD Advisory· Published Jan 30, 2017· Updated Jun 17, 2026
CVE-2016-2518
CVE-2016-2518
Description
The MATCH_ASSOC function in NTP before version 4.2.8p9 and 4.3.x before 4.3.92 allows remote attackers to cause an out-of-bounds reference via an addpeer request with a large hmode value.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
139- cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:data_ontap:-:*:*:*:*:7-mode:*:*
- cpe:2.3:a:netapp:oncommand_balance:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:oncommand_performance_manager:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:oncommand_unified_manager_for_clustered_data_ontap:-:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*+ 23 more
- cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*range: <4.2.8
- cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p5:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p7:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p8:*:*:*:*:*:*
- (no CPE)range: <4.2.8p9, <4.3.92
cpe:2.3:a:oracle:communications_user_data_repository:10.0.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:oracle:communications_user_data_repository:10.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_user_data_repository:10.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_user_data_repository:12.0.0:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:10.1:-:*:*:*:*:*:*+ 68 more
- cpe:2.3:o:freebsd:freebsd:10.1:-:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p1:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p10:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p12:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p15:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p16:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p17:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p18:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p19:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p2:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p22:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p24:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p25:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p26:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p27:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p28:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p29:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p3:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p30:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p31:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p4:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p5:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p6:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p7:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p8:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:p9:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.2:-:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.2:p1:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.2:p10:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.2:p11:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.2:p12:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.2:p13:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.2:p14:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.2:p2:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.2:p5:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.2:p7:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.2:p8:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.2:p9:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.3:-:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:-:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p1:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p10:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p12:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p13:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p16:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p19:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p2:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p20:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p21:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p22:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p23:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p24:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p25:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p28:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p3:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p30:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p31:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p32:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p33:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p34:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p35:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p36:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p38:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p39:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p5:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p6:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p7:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p8:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.3:p9:*:*:*:*:*:*
cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:*
- cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_net_cp_443-1_opc_ua_firmware:*:*:*:*:*:*:*:*
- osv-coords15 versionspkg:rpm/opensuse/ntp&distro=openSUSE%20Tumbleweedpkg:rpm/suse/ntp&distro=SUSE%20Linux%20Enterprise%20Desktop%2012pkg:rpm/suse/ntp&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/ntp&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/ntp&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/ntp&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/ntp&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/ntp&distro=SUSE%20Linux%20Enterprise%20Server%2012pkg:rpm/suse/ntp&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/ntp&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/ntp&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/ntp&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/ntp&distro=SUSE%20Manager%202.1pkg:rpm/suse/ntp&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/ntp&distro=SUSE%20OpenStack%20Cloud%205
< 4.2.8p9-1.1+ 14 more
- (no CPE)range: < 4.2.8p9-1.1
- (no CPE)range: < 4.2.8p8-46.8.1
- (no CPE)range: < 4.2.8p7-11.1
- (no CPE)range: < 4.2.8p7-44.1
- (no CPE)range: < 4.2.8p7-44.1
- (no CPE)range: < 4.2.8p7-44.1
- (no CPE)range: < 4.2.8p7-11.1
- (no CPE)range: < 4.2.8p8-46.8.1
- (no CPE)range: < 4.2.8p7-11.1
- (no CPE)range: < 4.2.8p7-11.1
- (no CPE)range: < 4.2.8p8-46.8.1
- (no CPE)range: < 4.2.8p7-11.1
- (no CPE)range: < 4.2.8p7-44.1
- (no CPE)range: < 4.2.8p7-44.1
- (no CPE)range: < 4.2.8p7-44.1
Patches
Vulnerability mechanics
References
33- www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.htmlnvdPatchThird Party Advisory
- support.ntp.org/bin/view/Main/NtpBug3009nvdVendor Advisory
- support.ntp.org/bin/view/Main/SecurityNoticenvdVendor Advisory
- www.debian.org/security/2016/dsa-3629nvdThird Party Advisory
- www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlnvdThird Party Advisory
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlnvdThird Party Advisory
- www.securityfocus.com/bid/88226nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1035705nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2016:1141nvdThird Party Advisory
- cert-portal.siemens.com/productcert/pdf/ssa-211752.pdfnvdThird Party Advisory
- security.freebsd.org/advisories/FreeBSD-SA-16:16.ntp.ascnvdThird Party Advisory
- security.gentoo.org/glsa/201607-15nvdThird Party Advisory
- security.netapp.com/advisory/ntap-20171004-0002/nvdThird Party Advisory
- www.kb.cert.org/vuls/id/718152nvdThird Party AdvisoryUS Government Resource
- rhn.redhat.com/errata/RHSA-2016-1552.htmlnvdBroken Link
- lists.fedoraproject.org/pipermail/package-announce/2016-May/183647.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2016-May/184669.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.htmlnvd
- lists.opensuse.org/opensuse-updates/2016-05/msg00114.htmlnvd
- packetstormsecurity.com/files/136864/Slackware-Security-Advisory-ntp-Updates.htmlnvd
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpdnvd
- www.securityfocus.com/archive/1/538233/100/0/threadednvd
- www.securityfocus.com/archive/1/archive/1/538233/100/0/threadednvd
- www.ubuntu.com/usn/USN-3096-1nvd
- support.f5.com/csp/article/K20804323nvd
- us-cert.cisa.gov/ics/advisories/icsa-21-159-11nvd
- www.debian.org/security/2016/dsa-3629nvd
News mentions
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