Memory corruption 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-119 and the CVSS impact.
Summary
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, macOS Sonoma 14.8, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing a maliciously crafted audio file may lead to memory corruption.
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 18.6 | 18.6 | Patch available | CNA |
| Apple | macOS | before 14.8; before 15.6 | 14.8, 15.6 | Patch available | CNA |
| Apple | tvOS | before 18.6 | 18.6 | Patch available | CNA |
| Apple | visionOS | before 2.6 | 2.6 | Patch available | CNA |
| Apple | watchOS | before 11.6 | 11.6 | Patch available | CNA |
- iOS and iPadOS VendorApple Affected before 18.6 Fixed in 18.6 Patch available CNA
- macOS VendorApple Affected before 14.8; before 15.6 Fixed in 14.8, 15.6 Patch available CNA
- tvOS VendorApple Affected before 18.6 Fixed in 18.6 Patch available CNA
- visionOS VendorApple Affected before 2.6 Fixed in 2.6 Patch available CNA
- watchOS VendorApple Affected before 11.6 Fixed in 11.6 Patch available CNA
Remediation
- Fix · CNA iOS and iPadOS (Apple) Fixed in 18.6
- Fix · CNA macOS (Apple) Fixed in 14.8, 15.6
- Fix · CNA tvOS (Apple) Fixed in 18.6
- Fix · CNA visionOS (Apple) Fixed in 2.6
- Fix · CNA watchOS (Apple) Fixed in 11.6
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple iOS and iPadOS 18.6
24 records Highest priority Priority CRITICAL 1 CRITICAL, 9 MEDIUM, 14 LOW
Other records, highest priority first
- TI-2025-22512 Memory corruption in Apple SafariPriority CRITICAL 97
- TI-2025-27946 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 51
- TI-2025-27921 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 51
- Release ·
Apple tvOS, visionOS 18.6, 2.6
20 records Highest priority Priority CRITICAL 1 CRITICAL, 8 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2025-22512 Memory corruption in Apple SafariPriority CRITICAL 97
- TI-2025-27946 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 51
- TI-2025-27921 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 51
Show 2 more groups
- Release ·
Apple watchOS 11.6
17 records Highest priority Priority CRITICAL 1 CRITICAL, 7 MEDIUM, 9 LOW
Other records, highest priority first
- TI-2025-22512 Memory corruption in Apple SafariPriority CRITICAL 97
- TI-2025-27946 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 51
- TI-2025-27921 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 51
- Release ·
Apple macOS 14.8, 15.6
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2025-27981 Protection mechanism failure in Apple macOSPriority MEDIUM 48
Timeline
- 2026-10-02 Threatist record created from CVE-2025-43277
- 2026-10-03 Alias added: GHSA-w369-vj2v-c2xc
References
More Apple Macos vulnerabilities
- TI-2026-46583 Improper authentication in Apple macOS KEVCVSS 3.1CRITICAL 9.8
- 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
Sources
- CVE-2025-43277 · CVE Program
- CVE-2025-43277 · NVD
- FIRST EPSS
- GHSA-w369-vj2v-c2xc · 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