What’s Vulnerable › Vulnerabilities
CVE-2021-1796
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.0% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-04-02 · updated 2026-06-17
- Weakness: CWE-787
Description
An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution.
Affected products
- Apple Ipad Os: before 14.4 — fixed in 14.4
- Apple Iphone Os: before 14.4 — fixed in 14.4
How to fix
Upgrade to a fixed version: Apple Ipad Os 14.4; Apple Iphone Os 14.4. Check the vendor advisory for mitigations.
References
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