⚠ Actively exploited
Added to CISA KEV on 2023-06-23. Federal agencies required to patch by 2023-07-14. Required action: Apply updates per vendor instructions..

CVE-2023-32439 — Type Confusion in Apple IOS AND Ipados

CWE-843 — Type ConfusionCWE-94 — Code Injection30 documents12 sources
Severity
8.8HIGHNVD
EPSS
1.2%
top 21.38%
CISA KEV
KEV
Added 2023-06-23
Due 2023-07-14
Exploit
Exploited in wild
Active exploitation observed
Affected products
6
Apple IOS AND IpadosApple MacosApple Safari+3 more
Timeline
PublishedJun 23
KEV addedJun 23
KEV dueJul 14
Latest updateMar 11
CISA Required Action: Apply updates per vendor instructions.

Description

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Ventura 13.4.1, Safari 16.5.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages8 packages

▶NVDapple/ipados16.0 — 16.5.1+1
▶CVEListV5apple/ios_and_ipadosunspecified — 15.7+1
▶CVEListV5apple/macosunspecified — 13.4
▶NVDapple/macos13.0 — 13.4.1
▶CVEListV5apple/safariunspecified — 16.5

🔴Vulnerability Details

4
GHSA
GHSA-rh53-wvg6-9v8m: A type confusion issue was addressed with improved checks↗2023-06-23
▶
CVEList
CVE-2023-32439: A type confusion issue was addressed with improved checks↗2023-06-23
▶
OSV
CVE-2023-32439: A type confusion issue was addressed with improved checks↗2023-06-23
▶
VulnCheck
Apple Multiple Products WebKit Type Confusion Vulnerability↗2023
▶

📋Vendor Advisories

9
Red Hat
webkitgtk: processing malicious web content may lead to arbitrary code execution↗2023-09-21
▶
Ubuntu
WebKitGTK vulnerabilities↗2023-07-31
▶
Red Hat
webkitgtk: type confusion issue leading to arbitrary code execution↗2023-06-29
▶
CISA
Apple Multiple Products WebKit Type Confusion Vulnerability↗2023-06-23
▶
Apple
CVE-2023-32439: Safari 16.5.1↗2023-06-21
▶

🕵️Threat Intelligence

16
Bleepingcomputer
Apple fixes WebKit zero-day exploited in ‘extremely sophisticated’ attacks↗2025-03-11
▶
Bleepingcomputer
Apple fixes zero-day exploited in 'extremely sophisticated' attacks↗2025-02-10
▶
Bleepingcomputer
Apple fixes this year’s first actively exploited zero-day bug↗2025-01-27
▶
Bleepingcomputer
Apple fixes two zero-days used in attacks on Intel-based Macs↗2024-11-19
▶
Bleepingcomputer
Apple fixes first zero-day bug exploited in attacks this year↗2024-01-22
▶
CVE-2023-32439 — Type Confusion in Apple IOS AND Ipados | cvebase