CVE-2018-4421: Buffer Overflow
First published: Tue Oct 30 2018(Updated: )
A memory initialization issue was addressed with improved memory handling. This issue affected versions prior to macOS Mojave 10.14.1.
Credit: Tyler Bohan Cisco TalosTyler Bohan Cisco Talos product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple Mac OS X | <10.14.1 | |
| Apple macOS Mojave | <10.14.1 | 10.14.1 |
| Apple High Sierra | ||
| Apple Sierra |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2018-4303
- CVE-2018-4462
- CVE-2018-4463
- CVE-2018-4465
- CVE-2018-4467
- CVE-2018-4452
- CVE-2018-4434
- CVE-2018-4456
- CVE-2018-4421
- CVE-2018-4427
- CVE-2018-4431
- CVE-2018-4448
- CVE-2018-4460
- CVE-2018-4447
- CVE-2018-4435
- CVE-2018-4461
- CVE-2018-4449
- CVE-2018-4450
- CVE-2018-4295
- CVE-2018-4410
- CVE-2018-4417
- CVE-2017-12613
- CVE-2017-12618
- CVE-2018-4411
- CVE-2018-4308
- CVE-2018-4468
- CVE-2018-4126
- CVE-2018-4415
- CVE-2018-4398
- CVE-2018-4412
- CVE-2018-4153
- CVE-2018-4406
- CVE-2018-4346
- CVE-2018-4403
- CVE-2018-4423
- CVE-2018-3639
- CVE-2018-4342
- CVE-2018-4304
- CVE-2018-4426
- CVE-2018-4331
- CVE-2018-3646
- CVE-2018-4242
- CVE-2018-4394
- CVE-2018-4334
- CVE-2018-4396
- CVE-2018-4418
- CVE-2018-4350
- CVE-2018-4422
- CVE-2018-4408
- CVE-2018-4402
- CVE-2018-4341
- CVE-2018-4354
- CVE-2018-4401
- CVE-2018-4371
- CVE-2018-4420
- CVE-2018-4399
- CVE-2018-4340
- CVE-2018-4419
- CVE-2018-4425
- CVE-2018-4259
- CVE-2018-4286
- CVE-2018-4287
- CVE-2018-4288
- CVE-2018-4291
- CVE-2018-4413
- CVE-2018-4407
- CVE-2018-4424
- CVE-2018-4187
- CVE-2018-4348
- CVE-2018-4389
- CVE-2018-4326
- CVE-2018-4310
- CVE-2018-3640
- CVE-2018-4369
- CVE-2018-6797
- CVE-2017-0898
- CVE-2017-10784
- CVE-2017-14033
- CVE-2017-14064
- CVE-2017-17405
- CVE-2017-17742
- CVE-2018-6914
- CVE-2018-8777
- CVE-2018-8778
- CVE-2018-8779
- CVE-2018-8780
- CVE-2018-4400
- CVE-2018-4395
- CVE-2018-4393
- CVE-2018-4203
- CVE-2018-4368
Frequently Asked Questions
What is the severity of CVE-2018-4421?
The severity of CVE-2018-4421 is critical, with a CVSS score of 7.8.
What is the affected software by CVE-2018-4421?
The affected software by CVE-2018-4421 includes macOS Mojave versions prior to 10.14.1, Apple High Sierra, and Apple Sierra.
How can I fix CVE-2018-4421?
You can fix CVE-2018-4421 by updating to macOS Mojave version 10.14.1 or higher, or by installing the latest security updates from Apple.
Are there any recommended references for CVE-2018-4421?
Yes, you can refer to the following links for more information and guidance: [Support Apple HT209193](https://support.apple.com/en-us/HT209193) and [Support Apple HT209341](https://support.apple.com/kb/HT209341).
What is the Common Weakness Enumeration (CWE) ID for CVE-2018-4421?
The Common Weakness Enumeration (CWE) ID for CVE-2018-4421 is CWE-119.
- collector/nvd-index
- agent/type
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/apple-support
- agent/software-canonical-lookup-request
- agent/event
- agent/weakness
- agent/references
- agent/severity
- agent/author
- agent/tags
- agent/description
- collector/mitre-cve
- source/MITRE
- vendor/apple
- canonical/apple mac os x
- canonical/apple macos mojave
- canonical/apple high sierra
- canonical/apple sierra