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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
(Ubuntu Issues Fix) Mozilla Firefox Use-After-Free Memory Error in Compositor Lets Remote Users Execute Arbitrary Code on the Target System
SecurityTracker Alert ID:  1040581
SecurityTracker URL:  http://securitytracker.com/id/1040581
CVE Reference:   CVE-2018-5148   (Links to External Site)
Date:  Mar 28 2018
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Mozilla Firefox. A remote user can execute arbitrary code on the target system.

A remote user can create specially crafted content that, when loaded by the target user, will trigger a use-after-free memory error in compositor during certain graphics operations and execute arbitrary code on the target user's system.

Jesse Schwartzentruber reported these vulnerabilities.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

https://usn.ubuntu.com/usn/usn-3609-1

Vendor URL:  usn.ubuntu.com/usn/usn-3609-1 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  14.04 LTS, 16.04 LTS, 17.10

Message History:   This archive entry is a follow-up to the message listed below.
Mar 27 2018 Mozilla Firefox Use-After-Free Memory Error in Compositor Lets Remote Users Execute Arbitrary Code on the Target System



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