{"cve":"CVE-2006-5974","nvd":{"published":"2006-12-31T05:00:00.000","modified":"2026-06-16T22:32:14.393","status":"Modified","description":"fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger a NULL pointer dereference when calling the (1) ferror or (2) fflush functions.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://fedoranews.org/cms/node/2429","http://fetchmail.berlios.de/fetchmail-SA-2006-03.txt","http://osvdb.org/31836","http://secunia.com/advisories/23631","http://secunia.com/advisories/23804"],"products":["fetchmail:fetchmail"],"source":"nvd","synced_at":"2026-10-19T19:44:49.019236172+00:00"},"epss":{"cve":"CVE-2006-5974","score":0.04012,"percentile":0.9056,"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."]}