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7.8
CVSSv3

CVE-2021-30766

Published: 08/09/2021 Updated: 16/09/2021
CVSS v2 Base Score: 9.3 | Impact Score: 10 | Exploitability Score: 8.6
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
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 write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to execute arbitrary code with kernel privileges.

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apple mac os x 10.14.6

apple mac os x 10.15.7

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Mailing Lists

Full Disclosure: APPLE-SA-2021-07-21-3 Security Update 2021-004 Catalina
<!--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-2021-07-21-3 Security Update 2021-004 Catalina <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: A ...

References

CWE-787https://support.apple.com/en-us/HT212602https://support.apple.com/en-us/HT212603https://support.apple.com/en-us/HT212600https://nvd.nist.govhttp://seclists.org/fulldisclosure/2021/Jul/56
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2022-38028CVE-2024-32406CVE-2024-25624IMAPCVE-2024-2310CVE-2024-0874CVE-2024-20359XXEremote code execution
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