{"cve":"CVE-2011-1780","nvd":{"published":"2014-01-07T19:55:05.923","modified":"2026-06-16T23:30:00.900","status":"Modified","description":"The instruction emulation in Xen 3.0.3 allows local SMP guest users to cause a denial of service (host crash) by replacing the instruction that causes the VM to exit in one thread with a different instruction in a different thread.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://rhn.redhat.com/errata/RHSA-2011-1065.html","http://rhn.redhat.com/errata/RHSA-2011-1163.html","http://www.openwall.com/lists/oss-security/2011/07/07/3","https://bugzilla.redhat.com/show_bug.cgi?id=702657","http://rhn.redhat.com/errata/RHSA-2011-1065.html"],"products":["xen:xen"],"source":"nvd","synced_at":"2026-10-19T20:30:15.895642412+00:00"},"epss":{"cve":"CVE-2011-1780","score":0.00697,"percentile":0.53073,"date":"2026-11-01"},"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."]}