Vulnerability Details : CVE-2021-30831
An out-of-bounds read was addressed with improved input validation. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted font may result in the disclosure of process memory.
Products affected by CVE-2021-30831
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-30831
0.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 46 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-30831
| 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-2021-30831
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-30831
-
https://support.apple.com/kb/HT212869
About the security content of macOS Monterey 12.0.1 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212814
About the security content of iOS 15 and iPadOS 15 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/en-us/HT212819
About the security content of watchOS 8 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/en-us/HT212815
About the security content of tvOS 15 - Apple SupportRelease Notes;Vendor Advisory
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