CVE-2019-8506

82

FAUCET Score

CVE-2019-8506 is a critical type confusion vulnerability affecting Apple products including iOS, tvOS, watchOS, Safari, iTunes for Windows, and iCloud for Windows. This flaw, stemming from improved memory handling, allows for arbitrary code execution when processing maliciously crafted web content. With a CVSS score of 8.8 (High), it presents a significant risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. The vulnerability has been actively exploited (KEV listed) and has publicly available exploit code (EDB-46647), with notable media coverage indicating its use in malware delivery.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 7.11CPE matchmatch criteria	cpe:2.3:a:apple:icloud::::::windows::*
		< 12.9.4CPE matchmatch criteria	cpe:2.3:a:apple:itunes::::::windows::*
		< 12.1CPE matchmatch criteria	cpe:2.3:a:apple:safari::::::::
		< 12.2CPE matchmatch criteria	cpe:2.3:o:apple:iphone_os::::::::
		< 12.2CPE matchmatch criteria	cpe:2.3:o:apple:tvos::::::::

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

2.8

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

18.11%

Probability of exploitation in next 30 days

EPSS Percentile

96.9%

Percentile rank of EPSS score among Peer Group

As of 2026-07-25

Model: v2026.06.15

Added to KEV · May 4, 2022

ExploitDB: EDB-46647 · Apr 3, 2019

This CVE's current EPSS score of 0.1811 is in the 97th percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (32)

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: SDL-0:1.2.15-35.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: webkitgtk4-0:2.28.2-2.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: wayland-protocols-0:1.17-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: webkit2gtk3-0:2.24.3-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: accountsservice-0:0.6.50-7.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: appstream-data-0:8-20190805.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: baobab-0:3.28.0-2.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: chrome-gnome-shell-0:10.1-6.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: evince-0:3.28.4-3.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: file-roller-0:3.28.1-2.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gdk-pixbuf2-0:2.36.12-5.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gdm-1:3.28.3-22.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gjs-0:1.56.2-3.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-control-center-0:3.28.2-5.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-desktop3-0:3.32.2-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-remote-desktop-0:0.1.6-5.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-settings-daemon-0:3.32.0-4.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-shell-0:3.32.2-9.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-shell-extensions-0:3.32.1-10.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-software-0:3.30.6-2.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-tweaks-0:3.28.1-6.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gsettings-desktop-schemas-0:3.32.0-3.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gtk3-0:3.22.30-4.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gvfs-0:1.36.2-6.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: mozjs60-0:60.9.0-3.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: mutter-0:3.32.2-10.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: nautilus-0:3.28.1-10.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: pango-0:1.42.4-6.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: pidgin-0:2.13.0-5.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: plymouth-0:0.9.3-15.el8

applevendor investigatingvia nvd_reference

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: webkitgtk3

Vendor Advisories (2)

linuxCVE-2019-8506HIGH

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.

redhatCVE-2019-8506Moderate

webkitgtk: malicous web content leads to arbitrary code execution

References

cisa.gov / known-exploited-vulnerabilities-catalog

US Government Resource

support.apple.com / HT209599

Release NotesVendor Advisory

support.apple.com / HT209601

Release NotesVendor Advisory

support.apple.com / HT209602

Release NotesVendor Advisory

support.apple.com / HT209603

Release NotesVendor Advisory

support.apple.com / HT209604

Release NotesVendor Advisory

support.apple.com / HT209605

Release NotesVendor Advisory