CVE-2016-1963

Publication date 8 March 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The FileReader class in Mozilla Firefox before 45.0 allows local users to gain privileges or cause a denial of service (memory corruption) by changing a file during a FileReader API read operation.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	16.04 LTS xenial	Not affected
	15.10 wily	Fixed 45.0+build2-0ubuntu0.15.10.1
	14.04 LTS trusty	Fixed 45.0+build2-0ubuntu0.14.04.1
	12.04 LTS precise	Fixed 45.0+build2-0ubuntu0.12.04.1
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	7.4 · High
Attack vector	Local
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-2917-1
Firefox vulnerabilities
9 March 2016