Buffer overflow in Apple macOS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing web content may disclose sensitive information.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | macOS | before 13.4 | 13.4 | Patch available | CNA |
| Apple | Safari | before 16.5 | 16.5 | Patch available | CNA |
| Apple | watchOS | before 9.5 | 9.5 | Patch available | CNA |
| Apple | iOS and iPadOS | before 16.5 | 16.5 | Patch available | CNA |
| Apple | tvOS | before 16.5 | 16.5 | Patch available | CNA |
- macOS VendorApple Affected before 13.4 Fixed in 13.4 Patch available CNA
- Safari VendorApple Affected before 16.5 Fixed in 16.5 Patch available CNA
- watchOS VendorApple Affected before 9.5 Fixed in 9.5 Patch available CNA
- iOS and iPadOS VendorApple Affected before 16.5 Fixed in 16.5 Patch available CNA
- tvOS VendorApple Affected before 16.5 Fixed in 16.5 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | before 16.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 16.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 16.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | 13.0 to before 13.4 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 16.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 9.5 | Vulnerable | Apple |
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 16.5 Vulnerable ·Apple
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 16.5 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 16.5 Vulnerable ·Apple
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 13.0 to before 13.4 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 16.5 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 9.5 Vulnerable ·Apple
Remediation
- Fix · CNA macOS (Apple) Fixed in 13.4
- Fix · CNA Safari (Apple) Fixed in 16.5
- Fix · CNA watchOS (Apple) Fixed in 9.5
- Fix · CNA iOS and iPadOS (Apple) Fixed in 16.5
- Fix · CNA tvOS (Apple) Fixed in 16.5
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 13.4
53 records Highest priority Priority CRITICAL 5 CRITICAL, 3 MEDIUM, 45 LOW
Other records, highest priority first
- TI-2023-15726 Type confusion in Apple iOS and iPadOSPriority CRITICAL 97
- TI-2023-15664 Use after free in Apple macOSPriority CRITICAL 97
- TI-2023-15698 Apple macOS: A remote attacker may be able to break out of Web Content sandboxPriority CRITICAL 94
- Release ·
Apple iOS and iPadOS 16.5
41 records Highest priority Priority CRITICAL 5 CRITICAL, 2 MEDIUM, 34 LOW
Other records, highest priority first
- TI-2023-15726 Type confusion in Apple iOS and iPadOSPriority CRITICAL 97
- TI-2023-15664 Use after free in Apple macOSPriority CRITICAL 97
- TI-2023-15698 Apple macOS: A remote attacker may be able to break out of Web Content sandboxPriority CRITICAL 94
Show 3 more groups
- Release ·
Apple watchOS 9.5
33 records Highest priority Priority CRITICAL 4 CRITICAL, 1 MEDIUM, 28 LOW
Other records, highest priority first
- TI-2023-15664 Use after free in Apple macOSPriority CRITICAL 97
- TI-2023-15698 Apple macOS: A remote attacker may be able to break out of Web Content sandboxPriority CRITICAL 94
- TI-2023-15721 Integer overflow in Apple macOSPriority CRITICAL 93
- Release ·
Apple tvOS 16.5
28 records Highest priority Priority CRITICAL 3 CRITICAL, 1 MEDIUM, 24 LOW
Other records, highest priority first
- TI-2023-15664 Use after free in Apple macOSPriority CRITICAL 97
- TI-2023-15698 Apple macOS: A remote attacker may be able to break out of Web Content sandboxPriority CRITICAL 94
- TI-2023-12768 Out-of-bounds read in Apple macOSPriority CRITICAL 86
- Release ·
Apple Safari 16.5
6 records Highest priority Priority CRITICAL 4 CRITICAL, 2 LOW
Other records, highest priority first
- TI-2023-15726 Type confusion in Apple iOS and iPadOSPriority CRITICAL 97
- TI-2023-15664 Use after free in Apple macOSPriority CRITICAL 97
- TI-2023-15698 Apple macOS: A remote attacker may be able to break out of Web Content sandboxPriority CRITICAL 94
Timeline
- 2026-10-02 Threatist record created from CVE-2023-32423
- 2026-10-03 Alias added: GHSA-4f23-rq6h-3p55
References
More Apple Ipados vulnerabilities
- TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-32423 · CVE Program
- CVE-2023-32423 · NVD
- FIRST EPSS
- GHSA-4f23-rq6h-3p55 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences