{"cve":"CVE-2019-3840","nvd":{"published":"2019-03-27T13:29:01.680","modified":"2026-06-17T02:35:42.107","status":"Modified","description":"A NULL pointer dereference flaw was discovered in libvirt before version 5.0.0 in the way it gets interface information through the QEMU agent. An attacker in a guest VM can use this flaw to crash libvirtd and cause a denial of service.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H","score":6.3},"cwes":["CWE-476"],"references":["http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.html","http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.html","https://access.redhat.com/errata/RHSA-2019:2294","https://bugzilla.redhat.com/show_bug.cgi?id=1663051","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840"],"products":["opensuse:leap","redhat:libvirt"],"source":"nvd","synced_at":"2026-10-19T20:55:22.313337056+00:00"},"epss":{"cve":"CVE-2019-3840","score":0.01482,"percentile":0.73969,"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."]}