{"cve":"CVE-2017-15119","nvd":{"published":"2018-07-27T16:29:00.350","modified":"2026-06-17T01:07:16.963","status":"Modified","description":"The Network Block Device (NBD) server in Quick Emulator (QEMU) before 2.11 is vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from serving other requests, resulting in DoS.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","score":8.6},"cwes":["CWE-400"],"references":["http://www.openwall.com/lists/oss-security/2017/11/28/9","http://www.securityfocus.com/bid/102011","https://access.redhat.com/errata/RHSA-2018:1104","https://access.redhat.com/errata/RHSA-2018:1113","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15119"],"products":["canonical:ubuntu_linux","debian:debian_linux","qemu:qemu","redhat:virtualization"],"source":"nvd","synced_at":"2026-10-19T20:52:03.425131697+00:00"},"epss":{"cve":"CVE-2017-15119","score":0.03282,"percentile":0.8845,"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."]}