CVE-2016-1942

Publication date 26 January 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Mozilla Firefox before 44.0 allows user-assisted remote attackers to spoof a trailing substring in the address bar by leveraging a user's paste of a (1) wyciwyg: URI or (2) resource: URI.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
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
thunderbird	15.10 wily	Not affected
	15.04 vivid	Not affected
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected

Notes

seth-arnold

mfsa2016-09 refers to both Firefox for Android and Desktop Firefox

Severity score breakdown

Parameter	Value
Base score	7.4 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Changed
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

USN-2880-1
Firefox vulnerabilities
27 January 2016