CVE-2019-8506
HighExploitedPublic exploitA 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
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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
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | May 4, 2022 | May 25, 2022 | Not reported |
| Industry KEV feed | Oct 11, 2021 | May 25, 2022 | Not reported |
| CIRCL KEV | May 4, 2022 | May 25, 2022 | Not reported |
| ENISA EUVD | May 4, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
226 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| IcloudApple | See advisory | 7.11 |
| ItunesApple | See advisory | 12.9.4 |
| SafariApple | >= unspecified | 12.1 |
| Iphone OSApple | See advisory | 12.2 |
| tvOSApple | >= unspecified | 12.2 |
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
Publicly disclosed
Dec 18, 2019
Added to Industry KEV feed
Oct 11, 2021
Added to CISA KEV
May 4, 2022
Added to CIRCL KEV
May 4, 2022
Added to ENISA EUVD
May 4, 2022
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
- advisoryRHSA-2019:3553
- advisoryRHSA-2020:4035
- advisoryhttps://bugzilla.suse.com/1132256
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2019-8506
- advisoryhttps://support.apple.com/HT209599
FAQ
Common Questions.
A type confusion issue was addressed with improved memory handling.
Affected: Icloud (Apple); Itunes (Apple); Safari (Apple) versions >= unspecified, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 11, 2021.
Yes. It was added on May 4, 2022 with a federal remediation due date of May 25, 2022.
Public exploit code is available.
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.
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