CVE-2026-20611
Out-of-Bounds Access in Apple Media Processing Causes Memory Corruption
Publication date: 2026-02-11
Last updated on: 2026-04-02
Assigner: Apple Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apple | tvos | to 26.3 (exc) |
| apple | visionos | to 26.3 (exc) |
| apple | watchos | to 26.3 (exc) |
| apple | ipados | to 18.7.5 (exc) |
| apple | ipados | From 26.0 (inc) to 26.3 (exc) |
| apple | iphone_os | to 18.7.5 (exc) |
| apple | iphone_os | From 26.0 (inc) to 26.3 (exc) |
| apple | macos | to 14.8.4 (exc) |
| apple | macos | From 15.0 (inc) to 15.7.4 (exc) |
| apple | macos | From 26.0 (inc) to 26.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an out-of-bounds access issue that occurs due to insufficient bounds checking when processing media files. Specifically, if a maliciously crafted media file is processed, it may cause the application to terminate unexpectedly or corrupt the process memory.
How can this vulnerability impact me? :
The impact of this vulnerability includes unexpected termination of applications and potential corruption of process memory. This could lead to denial of service or unpredictable behavior in affected applications when handling malicious media files.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update your Apple devices to the fixed versions of the operating systems as soon as possible.
- Update watchOS to version 26.3 or later.
- Update tvOS to version 26.3 or later.
- Update macOS Tahoe to version 26.3 or later.
- Update macOS Sonoma to version 14.8.4 or later.
- Update macOS Sequoia to version 15.7.4 or later.
- Update iOS and iPadOS to versions 18.7.5 or 26.3 or later.
- Update visionOS to version 26.3 or later.
Avoid processing maliciously crafted media files until the updates are applied to prevent unexpected app termination or memory corruption.