CVE-2016-2830
Publication date 3 August 2016
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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
|
|
thunderbird | 16.04 LTS xenial |
Not affected
|
14.04 LTS trusty | Not in release | |
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 |
References
Related Ubuntu Security Notices (USN)
- USN-3044-1
- Firefox vulnerabilities
- 5 August 2016