{"cve":"CVE-2011-1583","nvd":{"published":"2011-08-12T18:55:00.697","modified":"2026-06-16T23:29:40.673","status":"Modified","description":"Multiple integer overflows in tools/libxc/xc_dom_bzimageloader.c in Xen 3.2, 3.3, 4.0, and 4.1 allow local users to cause a denial of service and possibly execute arbitrary code via a crafted paravirtualised guest kernel image that triggers (1) a buffer overflow during a decompression loop or (2) an out-of-bounds read in the loader involving unspecified length fields.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00483.html","http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00491.html","http://rhn.redhat.com/errata/RHSA-2011-0496.html","http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00483.html","http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00491.html"],"products":["citrix:xen"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-1583","score":0.00705,"percentile":0.53375,"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."]}