Home/CVE/The issue was addressed with improved memory handling. This issue is fixed in iOS 16.6 and iPadOS 16.6, tvOS 16.6, macOS
CVE

CVE-2023-38611

The issue was addressed with improved memory handling. This issue is fixed in iOS 16.6 and iPadOS 16.6, tvOS 16.6, macOS

The issue was addressed with improved memory handling. This issue is fixed in iOS 16.6 and iPadOS 16.6, tvOS 16.6, macOS Ventura 13.5, Safari 16.6, watchOS 9.6. Processing web content may lead to arbitrary code execution.

HIGH · CVSS 8.8 EPSS 0.00707
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
▤

Affected Products & Versions

6
apple safari< 16.6
apple ipados< 16.6
apple iphone os< 16.6
apple macos>= 13.0 and < 13.5
apple tvos< 16.6
apple watchos< 9.6
◈

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 NVD27 Jul 2023 · 01:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

9
rhsaRHSA-2025:10364Important
rhsaRHSA-2023:6535Important
rhsaRHSA-2023:7055Important
suse-csafSUSE-SU-2023:3753-1
suse-csafSUSE-SU-2023:3419-1
🔗

References & Sources

10
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/2023/08/02/1Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJ4DG5LHWG2INDOTPB7MO4JVJN6LKL3M/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KQXJYKTGLKI6TJEFJCKPHCNY7PS72OER/
https://security.gentoo.org/glsa/202401-04
https://support.apple.com/en-us/HT213841Vendor Advisory
https://support.apple.com/en-us/HT213843Vendor Advisory
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