CVE-2021-30733
published 2021-09-08CVE-2021-30733: An out-of-bounds read was addressed with improved input validation. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004…
PriorityP424medium5.5CVSS 3.1
AVLACLPRNUIRSUCHINAN
EPSS
1.00%
58.7th percentile
An out-of-bounds read was addressed with improved input validation. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted font may result in the disclosure of process memory.
Affected
24 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 | mac_os_x | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | 10.14.0 – 10.14.5 | — |
| 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 | >= unspecified < 2021 | 2021 |
| apple | macos_big_sur | — | — |
| apple | security_update_2021-005_mojave | — | — |
| 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-2021-30733: Security Update 2021-005 Mojave
vendor_apple·2021-07-21·CVSS 5.5
CVE-2021-30733 [MEDIUM] CVE-2021-30733: Security Update 2021-005 Mojave
Apple Security Update: About the security content of Security Update 2021-005 Mojave
Product: Security Update 2021-005 Mojave
CVE: CVE-2021-30733
Component: CoreText
Impact: Processing a maliciously crafted font may result in the disclosure of process memory
Description: An out-of-bounds read was addressed with improved input validation.
Apple
CVE-2021-30733: macOS Big Sur 11.4
vendor_apple·2021-05-24·CVSS 5.5
CVE-2021-30733 [MEDIUM] CVE-2021-30733: 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-2021-30733
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-2021-30733: watchOS 7.5
vendor_apple·2021-05-24·CVSS 5.5
CVE-2021-30733 [MEDIUM] CVE-2021-30733: watchOS 7.5
Apple Security Update: About the security content of watchOS 7.5
Product: watchOS
Version: 7.5
CVE: CVE-2021-30733
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-2021-30733: tvOS 14.6
vendor_apple·2021-05-24·CVSS 5.5
CVE-2021-30733 [MEDIUM] CVE-2021-30733: tvOS 14.6
Apple Security Update: About the security content of tvOS 14.6
Product: tvOS
Version: 14.6
CVE: CVE-2021-30733
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-jf77-8jp8-mmmm: An out-of-bounds read was addressed with improved input validation
ghsa_unreviewed·2022-05-24
CVE-2021-30733 [MEDIUM] CWE-125 GHSA-jf77-8jp8-mmmm: An out-of-bounds read was addressed with improved input validation
An out-of-bounds read was addressed with improved input validation. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted font may result in the disclosure of process memory.
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/HT212600https://support.apple.com/en-us/HT212603https://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/HT212600https://support.apple.com/en-us/HT212603
2021-09-08
Published