CVE-2017-5421: Input Validation
Published Mar 7, 2017
·Updated
A malicious site could spoof the contents of the print preview window if popup windows are enabled, resulting in user confusion of what site is currently loaded.
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-2017-5421?
CVE-2017-5421 is classified as a moderate severity vulnerability.
2
How do I fix CVE-2017-5421?
To fix CVE-2017-5421, update Mozilla Firefox or Thunderbird to version 52 or higher.
3
What are the risks associated with CVE-2017-5421?
The risks associated with CVE-2017-5421 include potential user confusion due to spoofed print preview content.
4
Which versions of Firefox are affected by CVE-2017-5421?
CVE-2017-5421 affects all versions of Mozilla Firefox prior to version 52.
5
Which versions of Thunderbird are vulnerable to CVE-2017-5421?
CVE-2017-5421 affects all versions of Mozilla Thunderbird prior to version 52.