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5.5
CVE-2021-1830: An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to read kernel memory.
CVE-2021-1830 · published 5 years ago
Summary
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to read kernel memory.
What to do
- Update apple ipados to version 14.5 or later.
- Update apple iphone_os to version 14.5 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| apple | ipados |
< 14.5 cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | iphone_os |
< 14.5 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
Original advisory text
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to read kernel memory.
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to read kernel memory.
References
- https://support.apple.com/en-us/HT212317 Release Notes Vendor Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Type
CWE-125Out-of-bounds Read
Timeline
Published8 Sep 2021
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-1830 · NVD
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