CVE-2017-5434: Use After Free
A use-after-free vulnerability occurs when redirecting focus handling which results in a potentially exploitable crash.
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2017-5433
- CVE-2017-5435
- CVE-2017-5436
- CVE-2017-5461
- CVE-2017-5459
- CVE-2017-5466
- CVE-2017-5434
- CVE-2017-5432
- CVE-2017-5460
- CVE-2017-5438
- CVE-2017-5439
- CVE-2017-5440
- CVE-2017-5441
- CVE-2017-5442
- CVE-2017-5464
- CVE-2017-5443
- CVE-2017-5444
- CVE-2017-5446
- CVE-2017-5447
- CVE-2017-5465
- CVE-2016-10196
- CVE-2017-5454
- CVE-2017-5469
- CVE-2017-5445
- CVE-2017-5449
- CVE-2017-5451
- CVE-2017-5462
- CVE-2017-5467
- CVE-2017-5430
- CVE-2017-5429
- CVE-2017-5448
- CVE-2017-5455
- CVE-2017-5456
- CVE-2017-5450
- CVE-2017-5463
- CVE-2017-5452
- CVE-2017-5453
- CVE-2017-5458
- CVE-2017-5468
Frequently Asked Questions
What is the severity of CVE-2017-5434?
CVE-2017-5434 is rated as a high severity vulnerability due to its potential for exploitation leading to crashes.
How do I fix CVE-2017-5434?
To fix CVE-2017-5434, update affected software such as Mozilla Thunderbird or Firefox to the latest version.
Which software is affected by CVE-2017-5434?
CVE-2017-5434 affects Mozilla Thunderbird and several versions of Firefox including Firefox ESR.
Can CVE-2017-5434 lead to remote code execution?
CVE-2017-5434 does not directly lead to remote code execution but can result in crashes that might be exploitable.
What is a use-after-free vulnerability in relation to CVE-2017-5434?
A use-after-free vulnerability like CVE-2017-5434 occurs when a program accesses memory after it has been freed, potentially leading to unstable behavior.