CVE-2009-4629

thunderbird/seamonkey: privacy compromise via DNS prefetching

Published Jan 29, 2010 CVSS 2.0 · 5.0 Medium EPSS < 1% KEV · Not listed
Description
Mozilla Necko, as used in Thunderbird 3.0.1, SeaMonkey, and other applications, performs DNS prefetching even when the app type is APP_TYPE_MAIL or APP_TYPE_EDITOR, which makes it easier for remote attackers to determine the network location of the application's user by logging DNS requests, as demonstrated by DNS requests triggered by reading text/plain e-mail messages in Thunderbird.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2009-4594 Mozilla Necko, as used in Thunderbird 3.0.1, SeaMonkey, and other applications, performs DNS prefetching even when the app type is APP_TYPE_MAIL or APP_TYPE_EDITOR, which makes it easier for remote attackers to determine the network location of the application's user by logging DNS requests, as demonstrated by DNS requests triggered by reading text/plain e-mail messages in Thunderbird.
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 17, 2024, 2:58 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