{"cve":"CVE-2015-1822","nvd":{"published":"2015-04-16T14:59:03.023","modified":"2026-06-17T00:23:04.233","status":"Modified","description":"chrony before 1.31.1 does not initialize the last \"next\" pointer when saving unacknowledged replies to command requests, which allows remote authenticated users to cause a denial of service (uninitialized pointer dereference and daemon crash) or possibly execute arbitrary code via a large number of command requests.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-17"],"references":["http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html","http://www.debian.org/security/2015/dsa-3222","http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html","http://www.securityfocus.com/bid/73956","https://security.gentoo.org/glsa/201507-01"],"products":["debian:debian_linux","tuxfamily:chrony"],"source":"nvd","synced_at":"2026-10-19T20:35:35.528235705+00:00"},"epss":{"cve":"CVE-2015-1822","score":0.02936,"percentile":0.87101,"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."]}