Unrated severityNVD Advisory· Published Nov 30, 2006· Updated Jun 16, 2026
CVE-2006-4403
CVE-2006-4403
Description
The FTP server in Apple Mac OS X 10.4.8 and earlier, when FTP Access is enabled, will crash when a login failure occurs with a valid user name, which allows remote attackers to cause a denial of service (crash) and enumerate valid usernames.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*range: <=10.4.8
- (no CPE)range: <=10.4.8
Patches
Vulnerability mechanics
References
10- secunia.com/advisories/23155nvdVendor Advisory
- www.kb.cert.org/vuls/id/371648nvdUS Government Resource
- www.us-cert.gov/cas/techalerts/TA06-333A.htmlnvdUS Government Resource
- docs.info.apple.com/article.htmlnvd
- lists.apple.com/archives/security-announce/2006/Nov/msg00001.htmlnvd
- securitytracker.com/idnvd
- www.osvdb.org/30734nvd
- www.securityfocus.com/bid/21335nvd
- www.vupen.com/english/advisories/2006/4750nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/30621nvd
News mentions
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