An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted audio file may disclose restricted memory.
Published 2021-09-08 15:15:15
Updated 2021-09-17 16:25:19
Source Apple Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-30686

0.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-30686

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
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-2021-30686

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

References for CVE-2021-30686

Products affected by CVE-2021-30686

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