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Apple macOS High SierraAbout the security content of macOS High Sierra 10.13.6, Security Update 2018-004 Sierra, Security Update 2018-004 El Capitan

Risk 32
First published (updated )
Advisory
APPLE-HT208937

apple macOS High Sierra20 vulnerabilities

Risk 32
First published (updated )
Advisory
HT208937

Input Validation

Risk 27
Severity
5.3
First published (updated )
CVE-2018-4293

Input Validation, Buffer Overflow

Risk 72
Severity
8.6
First published (updated )
CVE-2018-4269

Buffer Overflow

Risk 69
Severity
7.8
First published (updated )
CVE-2018-4280

Input Validation

Risk 44
Severity
7.5
First published (updated )
CVE-2018-4248

Input Validation

Risk 44
Severity
7.5
First published (updated )
CVE-2018-4277

Buffer Overflow, Input Validation

Risk 80
Severity
9.3
First published (updated )
CVE-2018-4456

Buffer Overflow

Risk 88
Severity
10
First published (updated )
CVE-2018-4259

Buffer Overflow

Risk 88
Severity
10
First published (updated )
CVE-2018-4286

Buffer Overflow

Risk 88
Severity
10
First published (updated )
CVE-2018-4287

Buffer Overflow

Risk 88
Severity
10
First published (updated )
CVE-2018-4288

Buffer Overflow

Risk 88
Severity
10
First published (updated )
CVE-2018-4291

Input Validation

Risk 44
Severity
7.5
First published (updated )
CVE-2018-4274

Accounts. A privacy issue in the handling of Open Directory records was addressed with improved inde…

Risk 22
Severity
4.3
First published (updated )
CVE-2018-4470

Infoleak

Risk 40
Severity
7.1
First published (updated )
CVE-2018-4289

Buffer Overflow

Risk 88
Severity
10
First published (updated )
CVE-2018-4268

Incorrect Type Cast

Risk 80
Severity
9.3
First published (updated )
CVE-2018-4285

Null Pointer Dereference

Risk 44
Severity
7.5
First published (updated )
CVE-2018-4276

DesktopServices. A permissions issue existed in which execute permission was incorrectly granted. Th…

Risk 32
Severity
5.5
First published (updated )
CVE-2018-4178

Input Validation

Risk 32
Severity
5.5
First published (updated )
CVE-2018-4283

Infoleak

Risk 33
Severity
5.6
First published (updated )
CVE-2018-3665

Apple macOS High SierraAbout the security content of macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan

Risk 32
First published (updated )
Advisory
APPLE-HT208849

Apple iOS and macOSEFI. A validation issue was addressed with improved logic.

Risk 64
Severity
7.2
First published (updated )
CVE-2018-4478

Canonical Ubuntu LinuxLast updated 25 August 2025

Risk 71
Severity
7.8
First published (updated )
CVE-2018-4180
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Canonical Ubuntu LinuxLast updated 25 August 2025

Risk 33
Severity
5.5
First published (updated )
CVE-2018-4181

Apple macOS High SierraCUPS. An access issue was addressed with additional sandbox restrictions.

Risk 65
Severity
8.2
First published (updated )
CVE-2018-4183

Apple macOS MojaveBuffer Overflow

Risk 80
Severity
9.3
First published (updated )
CVE-2018-4242

Apple macOS High Sierralibxpc. A logic issue was addressed with improved validation.

Risk 69
Severity
7.8
First published (updated )
CVE-2018-4237

Apple macOS High SierraBuffer Overflow

Risk 80
Severity
9.3
First published (updated )
CVE-2018-4234
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