CVE-2016-2830

Medium

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.

SeverityMedium

CVSS4.3

Exploit probability—

Product

Mozilla Firefox

PublishedAug 5, 2016

First seenAug 5, 2016

How to fix

Vendor advisories

security.gentoo.org/glsa/201701-15

Affected products

Product	Affected versions	Fixed in
mozilla firefox	v ≤ 47.0.1, 45.1.0, 45.1.1, 45.2.0, 45.3.0	—

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