Rapid7

vulnerability

Ubuntu: USN-2893-1 (CVE-2016-1949): Firefox vulnerability

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Feb 11, 2016
Added
Feb 12, 2016
Modified
Mar 27, 2026

Description

Mozilla Firefox before 44.0.2 does not properly restrict the interaction between Service Workers and plugins, which allows remote attackers to bypass the Same Origin Policy via a crafted web site that triggers spoofed responses to requests that use NPAPI, as demonstrated by a request for a crossdomain.xml file.

Solution

ubuntu-upgrade-firefox
Title
Rapid7 Labs

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