CVE-2018-4358: Buffer Overflow
Last updated 25 August 2025
Other sources
Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12, tvOS 12, watchOS 5, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
— Launchpad
WebKit. Multiple memory corruption issues were addressed with improved memory handling.
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2018-4321
- CVE-2018-5383
- CVE-2018-4126
- CVE-2018-4412
- CVE-2018-4414
- CVE-2018-4347
- CVE-2018-4433
- CVE-2018-4426
- CVE-2018-4331
- CVE-2018-4332
- CVE-2018-4343
- CVE-2018-4408
- CVE-2018-4341
- CVE-2018-4354
- CVE-2018-4383
- CVE-2018-4401
- CVE-2018-4305
- CVE-2018-4399
- CVE-2018-4407
- CVE-2018-4363
- CVE-2018-4336
- CVE-2018-4337
- CVE-2018-4340
- CVE-2018-4344
- CVE-2018-4425
- CVE-2018-4313
- CVE-2016-1777
- CVE-2018-4395
- CVE-2018-4203
- CVE-2018-4304
- CVE-2018-4316
- CVE-2018-4345
- CVE-2018-4191
- CVE-2018-4299
- CVE-2018-4359
- CVE-2018-4323
- CVE-2018-4358
- CVE-2018-4328
- CVE-2018-4197
- CVE-2018-4318
- CVE-2018-4306
- CVE-2018-4312
- CVE-2018-4314
- CVE-2018-4315
- CVE-2018-4317
- CVE-2018-4309
- CVE-2018-4361
- CVE-2018-4474
- CVE-2018-4360
- CVE-2018-4319
- CVE-2018-4311
- CVE-2018-4307
- CVE-2018-4329
- CVE-2018-4195
- CVE-2018-4322
- CVE-2018-4356
- CVE-2018-4333
- CVE-2018-4355
- CVE-2018-4335
- CVE-2018-4326
- CVE-2018-4310
- CVE-2018-4352
- CVE-2018-4362
- CVE-2018-4325
Frequently Asked Questions
What is CVE-2018-4358?
CVE-2018-4358 is a vulnerability in WebKit that allows for multiple memory corruption issues.
Which versions are affected by CVE-2018-4358?
Versions prior to iOS 12, tvOS 12, watchOS 5, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7 are affected by CVE-2018-4358.
How severe is CVE-2018-4358?
CVE-2018-4358 has a severity score of 8.8, which is considered high.
How do I fix CVE-2018-4358?
To fix CVE-2018-4358, update to the latest versions of iOS, tvOS, watchOS, Safari, iTunes for Windows, and iCloud for Windows.
Where can I find more information about CVE-2018-4358?
More information about CVE-2018-4358 can be found on the official Apple support page: [https://support.apple.com/kb/HT209106](https://support.apple.com/kb/HT209106).