CVE-2016-9071

Publication date 17 November 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Content Security Policy combined with HTTP to HTTPS redirection can be used by malicious server to verify whether a known site is within a user's browser history. This vulnerability affects Firefox < 50.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
thunderbird	16.10 yakkety	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected
firefox	16.10 yakkety	Fixed 50.0+build2-0ubuntu0.16.10.2
	16.04 LTS xenial	Fixed 50.0+build2-0ubuntu0.16.04.2
	14.04 LTS trusty	Fixed 50.0+build2-0ubuntu0.14.04.2
	12.04 LTS precise	Fixed 50.0+build2-0ubuntu0.12.04.2

Severity score breakdown

Parameter	Value
Base score	5.3 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	None
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

Related Ubuntu Security Notices (USN)