{"cve":"CVE-2011-1924","nvd":{"published":"2011-06-14T17:55:05.313","modified":"2026-06-16T23:30:22.483","status":"Modified","description":"Buffer overflow in the policy_summarize function in or/policies.c in Tor before 0.2.1.30 allows remote attackers to cause a denial of service (directory authority crash) via a crafted policy that triggers creation of a long port list.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061258.html","http://secunia.com/advisories/43548","http://secunia.com/advisories/44862","http://www.securityfocus.com/bid/46618","https://bugzilla.redhat.com/show_bug.cgi?id=705192"],"products":["tor:tor"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-1924","score":0.02816,"percentile":0.86549,"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."]}