CVE-2009-4630

firefox/thunderbird/seamonkey: privacy compromise via DNS prefetching (local HTML files)

Published Jan 29, 2010 CVSS 2.0 · 5.0 Medium EPSS 1.0% KEV · Not listed
Description
Mozilla Necko, as used in Firefox, SeaMonkey, and other applications, performs DNS prefetching of domain names contained in links within local HTML documents, which makes it easier for remote attackers to determine the network location of the application's user by logging DNS requests. NOTE: the vendor disputes the significance of this issue, stating "I don't think we necessarily need to worry about that case."

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2009-4595 Mozilla Necko, as used in Firefox, SeaMonkey, and other applications, performs DNS prefetching of domain names contained in links within local HTML documents, which makes it easier for remote attackers to determine the network location of the application's user by logging DNS requests. NOTE: the vendor disputes the significance of this issue, stating "I don't think we necessarily need to worry about that case."
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 17, 2024, 2:32 AM
Reserved
Jan 29, 2010, 12:00 AM
Status
Modified
Published
Jan 29, 2010, 6:30 PM
Modified
Jun 16, 2026, 11:14 PM
Severity
Moderate
Public date
May 9, 2009, 12:00 AM