{"cve":"CVE-2011-3481","nvd":{"published":"2011-09-14T17:17:07.443","modified":"2026-06-16T23:33:20.350","status":"Modified","description":"The index_get_ids function in index.c in imapd in Cyrus IMAP Server before 2.4.11, when server-side threading is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted References header in an e-mail message.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://bugzilla.cyrusimap.org/show_bug.cgi?id=2772","http://bugzilla.cyrusimap.org/show_bug.cgi?id=3463","http://git.cyrusimap.org/cyrus-imapd/commit/?id=6e776956a1a9dfa58eacdd0ddd52644009eac9e5","http://www.mandriva.com/security/advisories?name=MDVSA-2012:037","http://www.redhat.com/support/errata/RHSA-2011-1508.html"],"products":["cmu:cyrus_imap_server"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-3481","score":0.02142,"percentile":0.82067,"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."]}