CVE-2016-2833

Publication date 8 June 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Mozilla Firefox before 47.0 ignores Content Security Policy (CSP) directives for cross-domain Java applets, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted applet.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	16.04 LTS xenial	Fixed 47.0+build3-0ubuntu0.16.04.1
	15.10 wily	Fixed 47.0+build3-0ubuntu0.15.10.1
	14.04 LTS trusty	Fixed 47.0+build3-0ubuntu0.14.04.1
	12.04 LTS precise	Fixed 47.0+build3-0ubuntu0.12.04.1
thunderbird	16.04 LTS xenial	Not affected
	15.10 wily	Not affected
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected

Severity score breakdown

Parameter	Value
Base score	6.1 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Changed
Confidentiality	Low
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

Related Ubuntu Security Notices (USN)

USN-2993-1
Firefox vulnerabilities
9 June 2016