CVE-2016-1939

Publication date 26 January 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Mozilla Firefox before 44.0 stores cookies with names containing vertical tab characters, which allows remote attackers to obtain sensitive information by reading HTTP Cookie headers. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-7208.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
thunderbird	15.10 wily	Not affected
	15.04 vivid	Ignored end of life
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected
firefox	15.10 wily	Fixed 44.0+build3-0ubuntu0.15.10.1
	15.04 vivid	Fixed 44.0+build3-0ubuntu0.15.04.1
	14.04 LTS trusty	Fixed 44.0+build3-0ubuntu0.14.04.1
	12.04 LTS precise	Fixed 44.0+build3-0ubuntu0.12.04.1

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)