CVE-2016-5291
Publication date 16 November 2016
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
A same-origin policy bypass with local shortcut files to load arbitrary local content from disk. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| firefox | ||
| 16.04 LTS xenial |
Fixed 50.0+build2-0ubuntu0.16.04.2
|
|
| 14.04 LTS trusty |
Fixed 50.0+build2-0ubuntu0.14.04.2
|
|
| thunderbird | ||
| 16.04 LTS xenial |
Fixed 1:45.5.1+build1-0ubuntu0.16.04.1
|
|
| 14.04 LTS trusty |
Fixed 1:45.5.1+build1-0ubuntu0.14.04.1
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-3141-1
- Thunderbird vulnerabilities
- 1 December 2016
- USN-3124-1
- Firefox vulnerabilities
- 19 November 2016