Uncontrolled resource consumption in Apple iOS and iPadOS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-400.
Summary
A denial-of-service issue was addressed with improved validation. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An attacker in a privileged network position may be able to perform denial-of-service attack using crafted Bluetooth packets.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 | iOS and iPadOS | before 26.3 | 26.3 | Patch available | CNA |
| Apple | macOS | before 26.3 | 26.3 | Patch available | CNA |
| Apple | tvOS | before 26.3 | 26.3 | Patch available | CNA |
| Apple | visionOS | before 26.3 | 26.3 | Patch available | CNA |
| Apple | watchOS | before 26.3 | 26.3 | Patch available | CNA |
- iOS and iPadOS VendorApple Affected before 26.3 Fixed in 26.3 Patch available CNA
- macOS VendorApple Affected before 26.3 Fixed in 26.3 Patch available CNA
- tvOS VendorApple Affected before 26.3 Fixed in 26.3 Patch available CNA
- visionOS VendorApple Affected before 26.3 Fixed in 26.3 Patch available CNA
- watchOS VendorApple Affected before 26.3 Fixed in 26.3 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 26.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 26.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | before 26.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 26.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* | before 26.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 26.3 | Vulnerable | Apple |
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 26.3 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 26.3 Vulnerable ·Apple
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 26.3 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 26.3 Vulnerable ·Apple
- cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 26.3 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 26.3 Vulnerable ·Apple
Remediation
- Fix · CNA iOS and iPadOS (Apple) Fixed in 26.3
- Fix · CNA macOS (Apple) Fixed in 26.3
- Fix · CNA tvOS (Apple) Fixed in 26.3
- Fix · CNA visionOS (Apple) Fixed in 26.3
- Fix · CNA watchOS (Apple) Fixed in 26.3
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple visionOS 26.3
26 records Highest priority Priority CRITICAL 1 CRITICAL, 4 MEDIUM, 21 LOW
Other records, highest priority first
- TI-2026-16755 Memory corruption in Apple iOS and iPadOSPriority CRITICAL 93
- TI-2026-16733 Time-of-check time-of-use race condition in Apple iOS and iPadOSPriority MEDIUM 41
- TI-2026-16673 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 41
- Release ·
Apple macOS 26.3
21 records Highest priority Priority CRITICAL 1 CRITICAL, 2 MEDIUM, 18 LOW
Other records, highest priority first
- TI-2026-16755 Memory corruption in Apple iOS and iPadOSPriority CRITICAL 93
- TI-2026-16709 Uncontrolled resource consumption in Apple SafariPriority MEDIUM 40
- TI-2026-16715 Apple macOS: An app may be able to gain root privilegesPriority LOW 35
Show 3 more groups
- Release ·
Apple watchOS 26.3
15 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM, 13 LOW
Other records, highest priority first
- TI-2026-16755 Memory corruption in Apple iOS and iPadOSPriority CRITICAL 93
- TI-2026-16723 Protection mechanism failure in Apple iOS and iPadOSPriority LOW 39
- TI-2026-16731 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
- Release ·
Apple iOS and iPadOS 26.3
15 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM, 13 LOW
Other records, highest priority first
- TI-2026-16755 Memory corruption in Apple iOS and iPadOSPriority CRITICAL 93
- TI-2026-16723 Protection mechanism failure in Apple iOS and iPadOSPriority LOW 39
- TI-2026-16683 Missing authorization in Apple iOS and iPadOSPriority LOW 35
- Release ·
Apple tvOS 26.3
13 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2026-16755 Memory corruption in Apple iOS and iPadOSPriority CRITICAL 93
- TI-2026-16731 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
- TI-2026-16668 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
Timeline
- 2026-10-02 Threatist record created from CVE-2026-20650
- 2026-10-03 Alias added: GHSA-5fwp-233p-3m7m
- 2026-10-10 Priority changed: LOW → MEDIUM
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-2026-20650 · CVE Program
- CVE-2026-20650 · NVD
- FIRST EPSS
- GHSA-5fwp-233p-3m7m · 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