critical
9.4
CWE
119 120
Advisory Published
CVE Published
Updated

CVE-2019-8527: Buffer Overflow

First published: Mon Mar 25 2019(Updated: )

A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Credit: Ned Williamson Googlederrek @derrekr6 Ned Williamson Googlederrek @derrekr6 Ned Williamson Googlederrek @derrekr6 Ned Williamson Googlederrek @derrekr6 product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iPhone OS<12.2
Apple Mac OS X<10.14.4
Apple tvOS<12.2
Apple watchOS<5.2
Apple macOS Mojave<10.14.4
10.14.4
Apple High Sierra
Apple Sierra
Apple tvOS<12.2
12.2
Apple iOS<12.2
12.2
Apple watchOS<5.2
5.2

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2019-8527?

    CVE-2019-8527 is a kernel vulnerability that was addressed with improved size validation.

  • What is the severity of CVE-2019-8527?

    The severity of CVE-2019-8527 is critical, with a severity value of 9.1.

  • Which software versions are affected by CVE-2019-8527?

    iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, and watchOS 5.2 are affected by CVE-2019-8527.

  • How can a remote attacker exploit CVE-2019-8527?

    A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

  • How can I fix CVE-2019-8527?

    CVE-2019-8527 can be fixed by updating to iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, or watchOS 5.2.

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