Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-32439

77
FAUCET Score

CVE-2023-32439 is a type confusion vulnerability in WebKit, affecting Apple's iOS, iPadOS, macOS, and Safari. This flaw allows for arbitrary code execution when processing maliciously crafted web content. Rated with a CVSS score of 8.8 (High), it poses a significant risk due to its network-based attack vector and low attack complexity. Apple has confirmed active exploitation of this vulnerability, and it has garnered substantial community discussion and media coverage, despite no public exploit code being available.

Impacted Technologies

VendorProductVersion(s)CPE
< 16.5.1CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
< 15.7.7CPE matchmatch criteria
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
>= 16.0, < 16.5.1CPE matchmatch criteria
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
< 15.7.7CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
>= 16.0, < 16.5.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

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
23.79%
Probability of exploitation in next 30 days
EPSS Percentile
97.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Jun 23, 2023
This CVE's current EPSS score of 0.2379 is in the 98th percentile among its peer group of 14,855 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 (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 Extended Lifecycle SupportFixed in: webkitgtk4-0:2.48.3-2.el7_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: webkit2gtk3-0:2.38.5-1.el8_8.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: webkit2gtk3-0:2.38.5-1.el9_2.3
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-2023-32439Important

webkitgtk: type confusion issue leading to arbitrary code execution

Jun 29, 2023

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
security.gentoo.org / glsa/202401-04
Third Party Advisory
support.apple.com / en-us/HT213811
Release NotesVendor Advisory
support.apple.com / en-us/HT213813
Release NotesVendor Advisory
support.apple.com / en-us/HT213814
Release NotesVendor Advisory
support.apple.com / en-us/HT213816
Release NotesVendor Advisory
support.apple.com / kb/HT213814
Vendor Advisory
support.apple.com / kb/HT213816
Vendor Advisory