{"cve":"CVE-2015-7977","nvd":{"published":"2017-01-30T21:59:00.410","modified":"2026-06-17T00:33:29.630","status":"Modified","description":"ntpd in NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (NULL pointer dereference) via a ntpdc reslist command.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9},"cwes":["CWE-476"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177507.html","http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176434.html","http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html","http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html","http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html"],"products":["canonical:ubuntu_linux","debian:debian_linux","fedoraproject:fedora","freebsd:freebsd","netapp:clustered_data_ontap","netapp:oncommand_balance","ntp:ntp","oracle:linux","siemens:tim_4r-ie_dnp3_firmware","siemens:tim_4r-ie_firmware"],"source":"nvd","synced_at":"2026-10-19T20:41:25.729257544+00:00"},"epss":{"cve":"CVE-2015-7977","score":0.06295,"percentile":0.93599,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}