6.5
Medium
Exploited
CVE-2023-28204 Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Not observed so far
Weakness
CWE-125
Description
An out-of-bounds read was addressed with improved input validation. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing web content may disclose sensitive information. Apple is aware of a report that this issue may have been actively exploited.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| macOS 13.4 | earliest → < 13.4 | 13.4 |
| Safari 16.5 | earliest → < 16.5 | 16.5 |
| watchOS 9.5 | earliest → < 9.5 | 9.5 |
| iOS and iPadOS 16.5 | earliest → < 16.5 | 16.5 |
| tvOS 16.5 | earliest → < 16.5 | 16.5 |
References
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- security.gentoo.org security.gentoo.org
Timeline
- Published
- Added to the KEV catalogue
- Last modified
Other CVEs of macOS
The 3813 CVEs of macOS →
CVE-2026-86925
An authorization issue was addressed with improved state management
5.5
Medium
CVE-2026-84627
A buffer overflow was addressed with improved bounds checking
7.8
High
CVE-2026-113945
An out-of-bounds read was addressed with improved bounds checking
5.5
Medium
CVE-2026-65327
A logic issue was addressed with improved checks
8.4
High