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CVE-2021-30758

Date: September 8, 2021

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.

Severity Score

Related Resources (11)

https://support.apple.com/en-us/HT212606
https://security-tracker.debian.org/tracker/CVE-2021-30758
https://support.apple.com/en-us/HT212604
https://support.apple.com/en-us/HT212605
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-30758
https://access.redhat.com/security/cve/CVE-2021-30758
https://nvd.nist.gov/vuln/detail/CVE-2021-30758
https://support.apple.com/en-us/HT212602
https://support.apple.com/en-us/HT212601
https://security.alpinelinux.org/vuln/CVE-2021-30758
https://www.mend.io/vulnerability-database/CVE-2021-30758

Severity Score

Weakness Type (CWE)

Access of Resource Using Incompatible Type ('Type Confusion')

CWE-843

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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