CVE-2017-5419: High severity Mozilla Firefox vulnerability
Published Mar 7, 2017
·Updated
If a malicious site repeatedly triggers a modal authentication prompt, eventually the browser UI will become non-responsive, requiring shutdown through the operating system. This is a denial of service (DOS) attack.
Affected Software
4 affected componentsFixes available
Mozilla Firefox<52
52
Mozilla Thunderbird<52
52
Mozilla Firefox<52.0
Mozilla Thunderbird<52.0
Remediation
Patch Available
Event History
Mar 7, 2017
CVE Published
12:00 AM
Jun 11, 2018
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
DescriptionWeakness
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2017-5400
- CVE-2017-5401
- CVE-2017-5402
- CVE-2017-5403
- CVE-2017-5404
- CVE-2017-5406
- CVE-2017-5407
- CVE-2017-5410
- CVE-2017-5411
- CVE-2017-5409
- CVE-2017-5408
- CVE-2017-5412
- CVE-2017-5413
- CVE-2017-5414
- CVE-2017-5415
- CVE-2017-5416
- CVE-2017-5417
- CVE-2017-5425
- CVE-2017-5426
- CVE-2017-5427
- CVE-2017-5418
- CVE-2017-5419
- CVE-2017-5420
- CVE-2017-5405
- CVE-2017-5421
- CVE-2017-5422
- CVE-2017-5399
- CVE-2017-5398
Frequently Asked Questions
1
What is the severity of CVE-2017-5419?
CVE-2017-5419 is classified as a denial of service (DoS) vulnerability.
2
How do I fix CVE-2017-5419?
To remediate CVE-2017-5419, update your Mozilla Firefox or Thunderbird to version 52.0 or later.
3
What affects CVE-2017-5419?
CVE-2017-5419 affects Mozilla Firefox and Thunderbird versions prior to 52.0.
4
What happens if CVE-2017-5419 is exploited?
Exploitation of CVE-2017-5419 can lead to the browser or email client becoming non-responsive.
5
Who is the vendor for CVE-2017-5419?
The vendor for CVE-2017-5419 is Mozilla.