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Category:   Application (E-mail Client)  >   Mozilla Thunderbird Vendors:   Mozilla.org
(Ubuntu Issues Fix for Mozilla Thunderbird) Network Security Services (NSS) SSL DHE/ECDHE Use-After-Free Memory Error May Let Remote Users Execute Arbitrary Code on the Target System
SecurityTracker Alert ID:  1035913
SecurityTracker URL:  http://securitytracker.com/id/1035913
CVE Reference:   CVE-2016-1978   (Links to External Site)
Date:  May 19 2016
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Network Security Services (NSS). A remote user may be able to execute arbitrary code on the target system. Mozilla Thunderbird is affected.

A remote user can send specially crafted DHE and ECDHE handshake data to trigger a user-after-free memory error when the target system's available memory is low and potentially execute arbitrary code on the target system.

Eric Rescorla reported this vulnerability vulnerability.

Impact:   A remote user may be able to execute arbitrary code on the target system.
Solution:   Ubuntu has issued a fix for Mozilla Thunderbird.

The Ubuntu advisory is available at:

http://www.ubuntu.com/usn/usn-2973-1

Vendor URL:  www.ubuntu.com/usn/usn-2973-1 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  12.04 LTS, 14.04 LTS, 15.10, 16.04 LTS

Message History:   This archive entry is a follow-up to the message listed below.
Mar 14 2016 Network Security Services (NSS) SSL DHE/ECDHE Use-After-Free Memory Error May Let Remote Users Execute Arbitrary Code on the Target System



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