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CVE-2021-30795

Date: September 8, 2021

A use after free issue was addressed with improved memory management. 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://people.canonical.com/~ubuntu-security/cve/CVE-2021-30795
https://access.redhat.com/security/cve/CVE-2021-30795
https://support.apple.com/en-us/HT212604
https://support.apple.com/en-us/HT212605
https://nvd.nist.gov/vuln/detail/CVE-2021-30795
https://security-tracker.debian.org/tracker/CVE-2021-30795
https://security.alpinelinux.org/vuln/CVE-2021-30795
https://support.apple.com/en-us/HT212602
https://support.apple.com/en-us/HT212601
https://www.mend.io/vulnerability-database/CVE-2021-30795

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

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): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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