CVE-2016-2830

Publication date 3 August 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

4.3 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
firefox 16.04 LTS xenial
Fixed 48.0+build2-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 48.0+build2-0ubuntu0.14.04.1
12.04 LTS precise
Fixed 48.0+build2-0ubuntu0.12.04.1
thunderbird 16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release
12.04 LTS precise
Not affected

Severity score breakdown

Parameter Value
Base score 4.3 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N