CVE-2021-30889
HIGH
8.8
CVSS Score
Published: August 24, 2021 at 06:49 PM UTC
Updated: June 17, 2026 at 03:51 AM UTC
5 products affected across 1 vendormacOSiPhone OSiPadOS
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Severity
HIGH8.8
Exploit prediction
EPSS 2%
Description
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to arbitrary code execution.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 15.1
Affected range stops below 15.1, so it looks safe — our inference, not a vendor statement
v < 15.1
Affected range stops below 15.1, so it looks safe — our inference, not a vendor statement
v < 12.0v < 12.0.1v < 15.1v < 8.1
Affected range stops below 12.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.0.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.1, so it looks safe — our inference, not a vendor statement
v < 15.1
Affected range stops below 15.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (5)
Mailing Listx_refsource_MLIST
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/12/20/6CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-120
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