vulnerability
MFSA2016-63 Firefox: Favicon network connection can persist when page is closed (CVE-2016-2830)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:P/I:N/A:N) | Aug 2, 2016 | Aug 3, 2016 | Mar 27, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
Aug 2, 2016
Added
Aug 3, 2016
Modified
Mar 27, 2026
Description
Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 preserve the network connection used for favicon resource retrieval after the associated browser window is closed, which makes it easier for remote web servers to track users by observing network traffic from multiple IP addresses.
Solutions
mozilla-firefox-esr-upgrade-45_3mozilla-firefox-upgrade-48_0
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