CVE-2021-1864
CRITICAL
9.8
CVSS Score
Published: September 8, 2021 at 02:48 PM UTC
Updated: June 17, 2026 at 03:32 AM UTC
4 products affected across 1 vendoriPhone OSiPadOStvOS
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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%
Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. An attacker with JavaScript execution may be able to execute arbitrary code.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 14.5
Affected range stops below 14.5, so it looks safe — our inference, not a vendor statement
v < 14.5
Affected range stops below 14.5, so it looks safe — our inference, not a vendor statement
v < 14.5
Affected range stops below 14.5, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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