{"cve":"CVE-2009-0845","nvd":{"published":"2009-03-27T16:30:02.157","modified":"2026-06-16T23:05:56.393","status":"Modified","description":"The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via invalid ContextFlags data in the reqFlags field in a negTokenInit token.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=6402","http://lists.apple.com/archives/security-announce/2009/May/msg00002.html","http://secunia.com/advisories/34347","http://secunia.com/advisories/34594","http://secunia.com/advisories/34617"],"products":["mit:kerberos","mit:kerberos_5"],"source":"nvd","synced_at":"2026-10-19T19:54:07.895733559+00:00"},"epss":{"cve":"CVE-2009-0845","score":0.05628,"percentile":0.92945,"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."]}