Out-of-bounds write in Apple iOS and iPadOS
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.2, iOS 16.3 and iPadOS 16.3. An app may be able to execute arbitrary code out of its sandbox or with certain elevated privileges.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 | iOS and iPadOS | before 16.3 | 16.3 | Patch available | CNA |
| Apple | macOS | before 13.2 | 13.2 | Patch available | CNA |
Remediation
- Fix · CNA iOS and iPadOS (Apple) Fixed in 16.3
- Fix · CNA macOS (Apple) Fixed in 13.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 13.2
28 records Highest priority Priority CRITICAL 1 CRITICAL, 6 MEDIUM, 21 LOW
Other records, highest priority first
- TI-2023-09361 Type confusion in Apple iOS and iPadOSPriority CRITICAL 97
- TI-2023-09347 Buffer overflow in Apple macOSPriority MEDIUM 52
- TI-2023-09351 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
- Release ·
Apple iOS and iPadOS 16.3
19 records Highest priority Priority CRITICAL 1 CRITICAL, 5 MEDIUM, 13 LOW
Other records, highest priority first
- TI-2023-09361 Type confusion in Apple iOS and iPadOSPriority CRITICAL 97
- TI-2023-09351 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
- TI-2023-09350 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 42
Timeline
- 2026-10-02 Threatist record created from CVE-2023-23531
- 2026-10-03 Alias added: GHSA-9hmh-gm6c-7vpr
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-2023-23531 · CVE Program
- CVE-2023-23531 · NVD
- FIRST EPSS
- GHSA-9hmh-gm6c-7vpr · 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