Out-of-bounds read in Apple macOS
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3, tvOS 16.4, iOS 16.4 and iPadOS 16.4, watchOS 9.4. Processing a maliciously crafted image may result in disclosure of process memory.
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 13.3 | 13.3 | Patch available | CNA |
| Apple | iOS and iPadOS | before 16.4 | 16.4 | Patch available | CNA |
| Apple | watchOS | before 9.4 | 9.4 | Patch available | CNA |
| Apple | tvOS | before 16.4 | 16.4 | Patch available | CNA |
- macOS VendorApple Affected before 13.3 Fixed in 13.3 Patch available CNA
- iOS and iPadOS VendorApple Affected before 16.4 Fixed in 16.4 Patch available CNA
- watchOS VendorApple Affected before 9.4 Fixed in 9.4 Patch available CNA
- tvOS VendorApple Affected before 16.4 Fixed in 16.4 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 16.4 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 16.4 | Vulnerable | Apple |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | before 13.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 16.4 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 9.4 | Vulnerable | Apple |
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 16.4 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 16.4 Vulnerable ·Apple
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 13.3 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 16.4 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 9.4 Vulnerable ·Apple
Remediation
- Fix · CNA macOS (Apple) Fixed in 13.3
- Fix · CNA iOS and iPadOS (Apple) Fixed in 16.4
- Fix · CNA watchOS (Apple) Fixed in 9.4
- Fix · CNA tvOS (Apple) Fixed in 16.4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 13.3
52 records Highest priority Priority MEDIUM 8 MEDIUM, 44 LOW
Other records, highest priority first
- TI-2023-12543 Out-of-bounds write in Apple macOSPriority MEDIUM 52
- TI-2023-12765 Race condition in Apple macOSPriority MEDIUM 51
- TI-2023-09358 Apple macOS: A file from an iCloud shared-by-me folder may be able to bypass GatekeeperPriority MEDIUM 50
- Release ·
Apple iOS and iPadOS 16.4
34 records Highest priority Priority MEDIUM 4 MEDIUM, 30 LOW
Other records, highest priority first
- TI-2023-12765 Race condition in Apple macOSPriority MEDIUM 51
- TI-2023-09358 Apple macOS: A file from an iCloud shared-by-me folder may be able to bypass GatekeeperPriority MEDIUM 50
- TI-2023-12553 Missing authorization in Apple macOSPriority MEDIUM 40
Show 2 more groups
- Release ·
Apple watchOS 9.4
19 records Highest priority Priority MEDIUM 1 MEDIUM, 18 LOW
Other records, highest priority first
- TI-2023-12553 Missing authorization in Apple macOSPriority MEDIUM 40
- TI-2023-12750 Apple macOS: An app may be able to execute arbitrary code with kernel privilegesPriority LOW 36
- TI-2023-12559 Use after free in Apple macOSPriority LOW 36
- Release ·
Apple tvOS 16.4
19 records Highest priority Priority MEDIUM 2 MEDIUM, 17 LOW
Other records, highest priority first
- TI-2023-12765 Race condition in Apple macOSPriority MEDIUM 51
- TI-2023-12553 Missing authorization in Apple macOSPriority MEDIUM 40
- TI-2023-12750 Apple macOS: An app may be able to execute arbitrary code with kernel privilegesPriority LOW 36
Timeline
- 2026-10-02 Threatist record created from CVE-2023-27929
- 2026-10-03 Alias added: GHSA-gpv4-3vx7-hr4h
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-2023-27929 · CVE Program
- CVE-2023-27929 · NVD
- FIRST EPSS
- GHSA-gpv4-3vx7-hr4h · 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