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7.8
CVSSv3

CVE-2021-30843

Published: 19/10/2021 Updated: 05/11/2021
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
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Vulnerability Summary

This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.

Vulnerability Trend

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apple ipados

apple iphone os

apple mac os x

apple mac os x 10.15.7

apple macos

apple tvos

apple watchos

Mailing Lists

Full Disclosure: APPLE-SA-2021-10-26-10 Additional information for APPLE-SA-2021-09-20-2 watchOS 8
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-10-26-10 Additional information for APPLE-SA-2021-09-20-2 watchOS 8 <!--X-Subject-Header-End--> <!--X-He ...
Full Disclosure: APPLE-SA-2021-10-26-9 Additional information for APPLE-SA-2021-09-20-1 iOS 15 and iPadOS 15
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-10-26-9 Additional information for APPLE-SA-2021-09-20-1 iOS 15 and iPadOS 15 <!--X-Subject-Header-End-- ...
Full Disclosure: APPLE-SA-2021-09-20-2 watchOS 8
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-09-20-2 watchOS 8 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: product-security-noreply- ...
Full Disclosure: APPLE-SA-2021-09-20-1 iOS 15 and iPadOS 15
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-09-20-1 iOS 15 and iPadOS 15 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: product-securi ...

References

NVD-CWE-noinfohttps://support.apple.com/en-us/HT212819https://support.apple.com/en-us/HT212807https://support.apple.com/en-us/HT212804https://support.apple.com/en-us/HT212815https://support.apple.com/en-us/HT212805https://support.apple.com/en-us/HT212814http://seclists.org/fulldisclosure/2021/Oct/63http://seclists.org/fulldisclosure/2021/Oct/62http://seclists.org/fulldisclosure/2021/Oct/61https://nvd.nist.govhttp://seclists.org/fulldisclosure/2021/Oct/62
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-4654CVE-2023-49606encryptionNULL pointer dereferenceCVE-2024-4439CVE-2024-4649race conditionCVE-2024-27202CVE-2024-34566
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