CVE-2018-4276: Null Pointer Dereference

Published Jul 9, 2018
·
Updated

CUPS. A null pointer dereference was addressed with improved validation.

Other sources

A null pointer dereference was addressed with improved validation. This issue affected versions prior to macOS High Sierra 10.13.6.

Credit

Jakub Jirasek(Secunia Research at Flexera)

Affected Software

4 affected componentsFixes available
Apple macOS High Sierra<10.13.6
10.13.6
Apple Sierra
Apple El Capitan
Apple iOS and macOS<10.13.6

Event History

Apr 3, 2019
CVE Published
via MITRE·05:43 PM
Data Sourced
via MITRE·05:43 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2018-4276?

CVE-2018-4276 is a vulnerability in CUPS that allows for a null pointer dereference.

2

How does CVE-2018-4276 impact macOS High Sierra?

CVE-2018-4276 impacted versions of macOS High Sierra prior to 10.13.6, where a null pointer dereference was addressed with improved validation.

3

What is the severity of CVE-2018-4276?

CVE-2018-4276 has a severity rating of 7.5 (high).

4

How can I fix CVE-2018-4276 on macOS High Sierra?

To fix CVE-2018-4276 on macOS High Sierra, update to version 10.13.6 or later.

5

Where can I find more information about CVE-2018-4276?

More information about CVE-2018-4276 can be found at the following references: [https://support.apple.com/en-us/HT208937](https://support.apple.com/en-us/HT208937) and [https://support.apple.com/kb/HT208937](https://support.apple.com/kb/HT208937).

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