CVE-2021-30753
published 2021-09-08CVE-2021-30753: Processing a maliciously crafted font may result in the disclosure of process memory. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS…
PriorityP424medium5.5CVSS 3.1
AVLACLPRNUIRSUCHINAN
EPSS
0.91%
56.0th percentile
Processing a maliciously crafted font may result in the disclosure of process memory. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An out-of-bounds read was addressed with improved input validation.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | >= unspecified < 14.6 | 14.6 |
| apple | ipados | < 14.6 | 14.6 |
| apple | iphone_os | < 14.6 | 14.6 |
| apple | macos | >= 11.0.1 < 11.4 | 11.4 |
| apple | macos | >= unspecified < 11.4 | 11.4 |
| apple | macos | >= unspecified < 14.6 | 14.6 |
| apple | macos | >= unspecified < 7.5 | 7.5 |
| apple | macos_big_sur | — | — |
| apple | tvos | < 14.6 | 14.6 |
| apple | tvos | — | — |
| apple | watchos | < 7.5 | 7.5 |
| apple | watchos | — | — |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
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Apple
CVE-2021-30753: watchOS 7.5
vendor_apple·2021-05-24·CVSS 5.5
CVE-2021-30753 [MEDIUM] CVE-2021-30753: watchOS 7.5
Apple Security Update: About the security content of watchOS 7.5
Product: watchOS
Version: 7.5
CVE: CVE-2021-30753
Component: CoreText
Impact: An out-of-bounds read was addressed with improved input validation
Description: Processing a maliciously crafted font may result in the disclosure of process memory.
Apple
CVE-2021-30753: macOS Big Sur 11.4
vendor_apple·2021-05-24·CVSS 5.5
CVE-2021-30753 [MEDIUM] CVE-2021-30753: macOS Big Sur 11.4
Apple Security Update: About the security content of macOS Big Sur 11.4
Product: macOS Big Sur
Version: 11.4
CVE: CVE-2021-30753
Component: CoreText
Impact: An out-of-bounds read was addressed with improved input validation
Description: Processing a maliciously crafted font may result in the disclosure of process memory.
Apple
CVE-2021-30753: tvOS 14.6
vendor_apple·2021-05-24·CVSS 5.5
CVE-2021-30753 [MEDIUM] CVE-2021-30753: tvOS 14.6
Apple Security Update: About the security content of tvOS 14.6
Product: tvOS
Version: 14.6
CVE: CVE-2021-30753
Component: CoreText
Impact: An out-of-bounds read was addressed with improved input validation
Description: Processing a maliciously crafted font may result in the disclosure of process memory.
GHSA
GHSA-248r-f975-ppfj: Processing a maliciously crafted font may result in the disclosure of process memory
ghsa_unreviewed·2022-05-24
CVE-2021-30753 [MEDIUM] CWE-125 GHSA-248r-f975-ppfj: Processing a maliciously crafted font may result in the disclosure of process memory
Processing a maliciously crafted font may result in the disclosure of process memory. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An out-of-bounds read was addressed with improved input validation.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://support.apple.com/en-us/HT212528https://support.apple.com/en-us/HT212529https://support.apple.com/en-us/HT212532https://support.apple.com/en-us/HT212533https://support.apple.com/en-us/HT212528https://support.apple.com/en-us/HT212529https://support.apple.com/en-us/HT212532https://support.apple.com/en-us/HT212533
2021-09-08
Published