Home/CVE/A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 16.4 and iPadOS 16.4, m
CVE

CVE-2023-28198

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 16.4 and iPadOS 16.4, m

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 16.4 and iPadOS 16.4, macOS Ventura 13.3. Processing web content may lead to arbitrary code execution.

HIGH · CVSS 8.8 EPSS 0.00067
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

5
apple ipados< 16.4
apple iphone os< 16.4
apple macos>= 13.0 and < 13.3
webkitgtk< 2.40.1
wpewebkit wpe webkit< 2.40.1
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Aug 2023 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

6
rhsaRHSA-2025:10364Important
rhsaRHSA-2023:4202Important
rhsaRHSA-2023:4201Important
rhsaRHSA-2023:6535Important
rhsaRHSA-2023:7055Important
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2023/09/11/1Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202401-04
https://support.apple.com/en-us/HT213670Release NotesVendor Advisory
https://support.apple.com/en-us/HT213676Release NotesVendor Advisory
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