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CVE-2019-8540

MEDIUMCVSS 5.5/10EPSS 1.59%

Last modified

CVE-2019-8540 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. EPSS estimates a 1.59% chance of exploitation in the next 30 days.

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A malicious application may be able to determine kernel memory layout.

Metrics

CVSS 3.1
5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Probability
1.59%

72.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AppleIphone Os< 12.2
AppleMac Os X< 10.14.4
AppleTvos< 12.2
AppleWatchos< 5.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-8540?
A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A malicious application may be able to determine kernel memory layout.
How severe is CVE-2019-8540?
CVE-2019-8540 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.59% probability of exploitation in the next 30 days.
How do I fix CVE-2019-8540?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-8540?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST