Vulnerability 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."
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | All versions |
| Mozilla | Seamonkey | All versions |
| Mozilla | Thunderbird | All versions |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=453403
- https://bugzilla.mozilla.org/show_bug.cgi?id=492196
- https://bugzilla.mozilla.org/show_bug.cgi?id=453403
- https://bugzilla.mozilla.org/show_bug.cgi?id=492196
FAQ
What is CVE-2009-4630?
CVE-2009-4630 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 attacker...
How severe is CVE-2009-4630?
CVE-2009-4630 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-4630?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Seamonkey, Mozilla Thunderbird.