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CVE-2021-30889

Date: August 24, 2021

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.

Severity Score

Related Resources (11)

https://security-tracker.debian.org/tracker/CVE-2021-30889
https://support.apple.com/en-us/HT212869
https://support.apple.com/en-us/HT212874
https://access.redhat.com/security/cve/CVE-2021-30889
https://support.apple.com/en-us/HT212867
http://www.openwall.com/lists/oss-security/2021/12/20/6
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-30889
https://security.alpinelinux.org/vuln/CVE-2021-30889
https://nvd.nist.gov/vuln/detail/CVE-2021-30889
https://support.apple.com/en-us/HT212876
https://www.mend.io/vulnerability-database/CVE-2021-30889

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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