What’s Vulnerable › Vulnerabilities
CVE-2021-1838
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-09-08 · updated 2026-06-17
Description
This issue was addressed with improved checks. This issue is fixed in iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution.
Affected products
- Apple iPadOS: 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 iPadOS 14.4; Apple Iphone Os 14.4. Check the vendor advisory for mitigations.
References
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