CVE-2018-4254: Input Validation

Reference Links

• https://support.apple.com/en-us/HT208849 (Advisory)
• https://support.apple.com/HT208849

Parent vulnerabilities

(Appears in the following advisories)

• HT208849

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2018-4196
• CVE-2018-4253
• CVE-2018-4256
• CVE-2018-4255
• CVE-2018-4254
• CVE-2018-4258
• CVE-2018-4257
• CVE-2018-7584
• CVE-2018-4219
• CVE-2018-5383
• CVE-2018-4171
• CVE-2018-4194
• CVE-2018-4180
• CVE-2018-4181
• CVE-2018-4182
• CVE-2018-4183
• CVE-2018-4478
• CVE-2018-4251
• CVE-2018-4211
• CVE-2018-4229
• CVE-2018-4159
• CVE-2018-4242
• CVE-2018-4202
• CVE-2018-4217
• CVE-2018-4141
• CVE-2018-4228
• CVE-2018-4236
• CVE-2018-4234
• CVE-2018-4249
• CVE-2018-8897
• CVE-2018-4241
• CVE-2018-4243
• CVE-2018-4237
• CVE-2018-4404
• CVE-2018-4227
• CVE-2018-4235
• CVE-2018-4240
• CVE-2018-4230
• CVE-2018-4221
• CVE-2018-4223
• CVE-2018-4224
• CVE-2018-4225
• CVE-2018-4226
• CVE-2018-4184
• CVE-2018-4198
• CVE-2018-4193

Frequently Asked Questions

• What is the vulnerability ID of this issue?

  The vulnerability ID of this issue is CVE-2018-4254.

• What is the severity of CVE-2018-4254?

  The severity of CVE-2018-4254 is critical with a CVSS score of 9.8.

• Which software versions are affected by CVE-2018-4254?

  The affected software versions are macOS High Sierra before 10.13.5, Apple macOS High Sierra 10.13.5, Apple Sierra, and Apple El Capitan.

• What is the description of CVE-2018-4254?

  In macOS High Sierra before 10.13.5, an input validation issue existed in the kernel. This issue was addressed with improved input validation.

• How can I fix CVE-2018-4254?

  To fix CVE-2018-4254, update your macOS High Sierra to version 10.13.5 or newer.