CVE-2023-32439

Advisory lineage Upstream: 0 Downstream: 11
Analyzed
Published: 23 Jun 2023, 00:00
Last modified:21 Oct 2025, 23:05

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
v3.1 (cve.org)
EPSS Score
1.16% LOW
1% probability +0.17%
KEV
Listed
CISA
1 listing
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Jun 2023, 00:00
Published
Vulnerability first disclosed
23 Jun 2023, 00:00
Added to CISA KEV
Apple Multiple Products WebKit Type Confusion Vulnerability
14 Jul 2023, 00:00
CISA Remediation Due
Apply updates per vendor instructions.
21 Oct 2025, 23:05
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 1.16%• Percentile: 79%

Techniques & Countermeasures

  • CWE-843•Access of Resource Using Incompatible Type ('Type Confusion')

    The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

Affected Systems

  • apple•ios and ipados

    ≥ unspecified, < 15.7 | ≥ unspecified, < 16.5

  • apple•ipados

    < 15.7.7 | ≥ 16.0, < 16.5.1

  • apple•iphone_os

    < 15.7.7 | ≥ 16.0, < 16.5.1

  • apple•macos

    ≥ 13.0, < 13.4.1 | ≥ unspecified, < 13.4

  • apple•safari

    < 16.5.1 | ≥ unspecified, < 16.5

  • Unknown•WebKitGTK

    < 2.42.3

References (8)