CVE-2016-1949

Publication date 11 February 2016

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
firefox 15.10 wily
Fixed 44.0.2+build1-0ubuntu0.15.10.1
15.04 vivid Ignored end of life, was needed
14.04 LTS trusty
Fixed 44.0.2+build1-0ubuntu0.14.04.1
12.04 LTS precise
Fixed 44.0.2+build1-0ubuntu0.12.04.1
thunderbird 15.10 wily
Not affected
15.04 vivid
Not affected
14.04 LTS trusty Not in release
12.04 LTS precise
Not affected

Severity score breakdown

CVSS version: CVSS v3.0

Base score 8.8 · High

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-2893-1
    • Firefox vulnerability
    • 11 February 2016

Other references

Access our resources on patching vulnerabilities