Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2017-5455

Published: 20 April 2017

The internal feed reader APIs that crossed the sandbox barrier allowed for a sandbox escape and escalation of privilege if combined with another vulnerability that resulted in remote code execution inside the sandboxed process. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
precise Ignored

trusty
Released (53.0+build6-0ubuntu0.14.04.1)
upstream
Released (53.0)
xenial
Released (53.0+build6-0ubuntu0.16.04.1)
yakkety
Released (53.0+build6-0ubuntu0.16.10.1)
zesty
Released (53.0+build6-0ubuntu0.17.04.1)
thunderbird
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
upstream Not vulnerable

trusty Does not exist
(trusty was not-affected)
xenial Not vulnerable

yakkety Not vulnerable

zesty Not vulnerable

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N