CVE-2016-5265
Publication date 3 August 2016
Last updated 25 August 2025
Ubuntu priority
Description
Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allow user-assisted remote attackers to bypass the Same Origin Policy, and conduct Universal XSS (UXSS) attacks or read arbitrary files, by arranging for the presence of a crafted HTML document and a crafted shortcut file in the same local directory.
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 |
5.5 · Medium
|
| Attack vector | Local |
| Attack complexity | High |
| Privileges required | None |
| User interaction | Required |
| Scope | Changed |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-3044-1
- Firefox vulnerabilities
- 5 August 2016