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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…

Medium5.5EPSS 1.6%
Published
Updated
Reserved
Assigned by
apple

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.

Scores

CVSS scores of CVE-2019-8540, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
1.6% · top 24% of all CVEs (4 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

Affected products

  • Apple · iOS

    • affected unspecified – < iOS 12.2
  • Apple · macOS

    • affected unspecified – < macOS Mojave 10.14.4
  • Apple · tvOS

    • affected unspecified – < tvOS 12.2
  • Apple · watchOS

    • affected unspecified – < watchOS 5.2

References (4)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2019-8540 badge
[![CVE-2019-8540](https://trackcve.app/badge/CVE-2019-8540.svg)](https://trackcve.app/cve/CVE-2019-8540)

Record last updated .