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CVE-2006-6506: The "Feed Preview" feature in Mozilla Firefox 2.0 before 2.0.0.1 sends the URL of the feed when requesting...

The "Feed Preview" feature in Mozilla Firefox 2.0 before 2.0.0.1 sends the URL of the feed when requesting favicon.ico icons, which results in a privacy leak that might allow feed viewing services to determine browsing habits.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

Firefox’s Feed Preview feature could reveal what feed URL a user was viewing when it requested favicon.ico icons. The business impact is privacy leakage rather than system compromise: a feed viewing service might infer browsing habits. The issue is historical and tied to Firefox 2.0 before 2.0.0.1. Exposure is most likely limited to legacy environments still running Firefox 2.0 before 2.0.0.1 or old vendor-packaged Mozilla builds from the referenced 2006-2007 advisories. Modern browsers are not identified as affected in the supplied sources. Treat this as low urgency unless the organization still runs legacy Firefox-era systems. Prioritize removal of unsupported browsers as part of broader legacy risk reduction, not as an emergency incident response item. Mitigation focus: Upgrade Firefox 2.0 installations to 2.0.0.1 or later.; Retire unsupported legacy Mozilla browser packages where possible.; Check Mozilla and operating-system vendor advisories for package-specific guidance..

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CVSS
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