An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted audio file may disclose restricted memory.
Published 2021-10-28 19:15:09
Updated 2021-12-21 20:02:14
Source Apple Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-30836

Probability of exploitation activity in the next 30 days: 0.09%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 36 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-30836

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.3
MEDIUM AV:N/AC:M/Au:N/C:P/I:N/A:N
8.6
2.9
NIST
5.5
MEDIUM CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
1.8
3.6
NIST

CWE ids for CVE-2021-30836

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-30836

Products affected by CVE-2021-30836

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