CVE-2018-4257: Buffer Overflow

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?

  The vulnerability ID is CVE-2018-4257.

• What is the severity level of CVE-2018-4257?

  The severity level of CVE-2018-4257 is critical.

• Which operating systems are affected by CVE-2018-4257?

  macOS High Sierra before 10.13.5, Sierra, and El Capitan are affected.

• How was the buffer overflow addressed?

  The buffer overflow was addressed with improved size validation.

• How can I learn more about CVE-2018-4257?

  You can learn more about CVE-2018-4257 by visiting the following references: [Apple Support - HT208849](https://support.apple.com/HT208849) and [Apple Support - HT208849 (en-us)](https://support.apple.com/en-us/HT208849).