CVE-2016-5251
Publication date 3 August 2016
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
Mozilla Firefox before 48.0 allows remote attackers to spoof the location bar via crafted characters in the media type of a data: URL.
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 |
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-3044-1
- Firefox vulnerabilities
- 5 August 2016