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Vulnerability record · CVE-2015-5195 · published 21 July 2017

CVE-2015-5195: Fedoraproject fedora improper input validation vulnerability

Fedoraproject · Fedora

ntp_openssl.m4 in ntpd in NTP before 4.2.7p112 allows remote attackers to cause a denial of service (segmentation fault) via a crafted statistics or filegen configuration command that is not enabled during compilation.

7.5 CVSS 3.0 High EPSS 7.5% · top 5.7% CWE-20 · Improper input validation
7.5CVSS 3.0 base score, v2 5.0
7.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
34References
17 Jun 2026Last modified by NVD

Description

ntp_openssl.m4 in ntpd in NTP before 4.2.7p112 allows remote attackers to cause a denial of service (segmentation fault) via a crafted statistics or filegen configuration command that is not enabled during compilation.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

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

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html Third Party Advisory
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
http://www.securityfocus.com/bid/76474 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2783-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1254544 Issue Tracking
https://github.com/ntp-project/ntp/commit/52e977d79a0c4ace997e5c74af429844da2f27be Issue TrackingPatchThird Party Advisory
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
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html Third Party Advisory
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
http://www.securityfocus.com/bid/76474 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2783-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1254544 Issue Tracking
https://github.com/ntp-project/ntp/commit/52e977d79a0c4ace997e5c74af429844da2f27be Issue TrackingPatchThird Party Advisory
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

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Source: NIST National Vulnerability Database (record CVE-2015-5195), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.