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CVE-2019-8820

39
FAUCET Score

CVE-2019-8820 is a critical memory corruption vulnerability affecting multiple Apple products, including iOS, iPadOS, tvOS, watchOS, Safari, iTunes for Windows, and iCloud for Windows. Processing maliciously crafted web content can lead to arbitrary code execution due to improved memory handling issues. With a CVSS score of 8.8 (High), this vulnerability is easily exploitable over a network with low complexity, requiring user interaction, and can result in high impact to confidentiality, integrity, and availability. While there is no evidence of active exploitation in the wild or Metasploit/Nuclei modules, an ExploitDB entry exists (EDB-47590) detailing a type confusion vulnerability in JavaScriptCore. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.15CPE matchmatch criteria
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
>= 10.0, < 10.8CPE matchmatch criteria
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
< 12.10.2CPE matchmatch criteria
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*
< 13.0.3CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
< 13.2CPE matchmatch criteria
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*

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
9.54%
Probability of exploitation in next 30 days
EPSS Percentile
94.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-47590 · Nov 5, 2019
This CVE's current EPSS score of 0.0954 is in the 95th percentile among its peer group of 14,875 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

No media coverage found for this CVE.

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 (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: webkitgtk4-0:2.28.2-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: webkit2gtk3-0:2.28.4-1.el8
View patch
applevendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: webkitgtk3

Vendor Advisories (1)

redhatCVE-2019-8820Moderate

webkitgtk: Multiple memory corruption issues leading to arbitrary code execution

Nov 8, 2019

References

security.gentoo.org / glsa/202003-22
Third Party Advisory
support.apple.com / HT210721
Vendor Advisory
support.apple.com / HT210723
Vendor Advisory
support.apple.com / HT210724
Vendor Advisory
support.apple.com / HT210725
Vendor Advisory
support.apple.com / HT210726
Vendor Advisory
support.apple.com / HT210727
Vendor Advisory
support.apple.com / HT210728
Vendor Advisory