Skip to content
Vulnerability Intelligence

CVE-2019-8506

HighExploitedPublic exploit

A type confusion issue was addressed with improved memory handling.

Published Dec 18, 2019 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2019-8506, UBUNTU-CVE-2019-8506

Key Facts

Patch immediately
  • CVE-2019-8506 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Icloud (Apple), Itunes (Apple), Safari (Apple) and 22 more products.
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 11, 2021. Public exploit code is available.
  • EPSS estimates a 16% probability of exploitation in the next 30 days.
  • Fixed versions are available, including accountsservice 0:0.6.50-7.el8, Icloud 7.11, Iphone OS 12.2.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

8.8

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

EPSS (30-day exploit likelihood)

16%

Higher than 96.9% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2019-8506 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVMay 4, 2022May 25, 2022Not reported
Industry KEV feedOct 11, 2021May 25, 2022Not reported
CIRCL KEVMay 4, 2022May 25, 2022Not reported
ENISA EUVDMay 4, 2022n/aNot reported

Required action: Apply updates per vendor instructions.

Affected Products

226 affected entries in total
ProductAffected versionsFixed in
IcloudAppleSee advisory7.11
ItunesAppleSee advisory12.9.4
SafariApple>= unspecified12.1
Iphone OSAppleSee advisory12.2
tvOSApple>= unspecified12.2
20 more affected products in the full CVE brief

Patched Releases

accountsservice

0:0.6.50-7.el8

Icloud

7.11

Iphone OS

12.2

Itunes

12.9.4

Safari

12.1, Safari 12.1

tvOS

12.2, tvOS 12.2

watchOS

5.2, watchOS 5.2

appstream-data

0:8-20190805.el8

baobab

0:3.28.0-2.el8

chrome-gnome-shell

0:10.1-6.el8

evince

0:3.28.4-3.el8

file-roller

0:3.28.1-2.el8

gdk-pixbuf2

0:2.36.12-5.el8, 2.36.12-5.el8

gdm

1:3.28.3-22.el8

gjs

0:1.56.2-3.el8

gnome-control-center

0:3.28.2-5.el8

gnome-desktop3

0:3.32.2-1.el8, 3.32.2-1.el8

gnome-remote-desktop

0:0.1.6-5.el8

gnome-settings-daemon

0:3.32.0-4.el8

gnome-shell

0:3.32.2-9.el8

gnome-shell-extensions

0:3.32.1-10.el8

gnome-software

0:3.30.6-2.el8

gnome-tweaks

0:3.28.1-6.el8

gsettings-desktop-schemas

0:3.32.0-3.el8

gtk3

0:3.22.30-4.el8

Timeline

  1. Publicly disclosed

    Dec 18, 2019

  2. Added to Industry KEV feed

    Oct 11, 2021

  3. Added to CISA KEV

    May 4, 2022

  4. Added to CIRCL KEV

    May 4, 2022

  5. Added to ENISA EUVD

    May 4, 2022

  6. Last updated

    Aug 4, 2026

Weakness Type

  • CWE-94 Improper Control of Generation of Code ('Code Injection')
  • CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')

References

15 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2019-8506 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.

Request A Demo