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CVE-2021-30799

Date: September 8, 2021

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing maliciously crafted web content may lead to arbitrary code execution.

Severity Score

Related Resources (10)

https://nvd.nist.gov/vuln/detail/CVE-2021-30799
https://security-tracker.debian.org/tracker/CVE-2021-30799
https://support.apple.com/en-us/HT212602
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-30799
https://security.alpinelinux.org/vuln/CVE-2021-30799
https://support.apple.com/en-us/HT212603
https://access.redhat.com/security/cve/CVE-2021-30799
https://support.apple.com/en-us/HT212600
https://support.apple.com/en-us/HT212601
https://www.mend.io/vulnerability-database/CVE-2021-30799

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

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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