{"cve":"CVE-2011-1929","nvd":{"published":"2011-05-24T23:55:04.387","modified":"2026-06-16T23:30:24.737","status":"Modified","description":"lib-mail/message-header-parser.c in Dovecot 1.2.x before 1.2.17 and 2.0.x before 2.0.13 does not properly handle '\\0' characters in header names, which allows remote attackers to cause a denial of service (daemon crash or mailbox corruption) via a crafted e-mail message.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://dovecot.org/pipermail/dovecot/2011-May/059085.html","http://dovecot.org/pipermail/dovecot/2011-May/059086.html","http://hg.dovecot.org/dovecot-1.1/rev/3698dfe0f21c","http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061384.html","http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060815.html"],"products":["dovecot:dovecot"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-1929","score":0.0325,"percentile":0.8833,"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."]}