{"cve":"CVE-2008-3687","nvd":{"published":"2008-08-14T22:41:00.000","modified":"2026-06-16T22:56:18.840","status":"Modified","description":"Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with the XSM:FLASK module, allows unprivileged domain users (domU) to execute arbitrary code via the flask_op hypercall.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://invisiblethingslab.com/bh08/part2.pdf","http://secunia.com/advisories/31561","http://theinvisiblethings.blogspot.com/2008/08/our-xen-0wning-trilogy-highlights.html","http://www.nabble.com/-PATCH--XSM--FLASK--Argument-handling-bugs-in-XSM:FLASK-to18536032.html","http://www.securityfocus.com/bid/30834"],"products":["xen:xen","xen:xen_flask_module"],"source":"nvd","synced_at":"2026-10-19T19:52:44.811608366+00:00"},"epss":{"cve":"CVE-2008-3687","score":0.02938,"percentile":0.87112,"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."]}