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8.8
CVSSv3

CVE-2021-1867

Published: 08/09/2021 Updated: 20/09/2021
CVSS v2 Base Score: 9.3 | Impact Score: 10 | Exploitability Score: 8.6
CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8
VMScore: 828
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
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Vulnerability Summary

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges.

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Mailing Lists

Full Disclosure: APPLE-SA-2021-04-26-1 iOS 14.5 and iPadOS 14.5
<!--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-2021-04-26-1 iOS 145 and iPadOS 145 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Apple Prod ...
Full Disclosure: APPLE-SA-2021-04-26-2 macOS Big Sur 11.3
<!--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-2021-04-26-2 macOS Big Sur 113 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Apple Product Se ...

References

CWE-125https://support.apple.com/en-us/HT212317https://support.apple.com/en-us/HT212325https://nvd.nist.govhttp://seclists.org/fulldisclosure/2021/Apr/49
CVSSv3
CVSSv2
CVSSv3
VMScore
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