CVE-2021-30755
published 2021-09-08CVE-2021-30755: 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. An…
PriorityP432medium6.5CVSS 3.1
AVNACLPRNUIRSUCHINAN
EPSS
1.33%
67.7th 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. An out-of-bounds read was addressed with improved input validation.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | macos | >= 11.0 < 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
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/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-2021-30755: tvOS 14.6
vendor_apple·2021-05-24·CVSS 6.5
CVE-2021-30755 [MEDIUM] CVE-2021-30755: tvOS 14.6
Apple Security Update: About the security content of tvOS 14.6
Product: tvOS
Version: 14.6
CVE: CVE-2021-30755
Component: FontParser
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-2021-30755: watchOS 7.5
vendor_apple·2021-05-24·CVSS 6.5
CVE-2021-30755 [MEDIUM] CVE-2021-30755: watchOS 7.5
Apple Security Update: About the security content of watchOS 7.5
Product: watchOS
Version: 7.5
CVE: CVE-2021-30755
Component: FontParser
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-2021-30755: macOS Big Sur 11.4
vendor_apple·2021-05-24·CVSS 6.5
CVE-2021-30755 [MEDIUM] CVE-2021-30755: 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-2021-30755
Component: FontParser
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-gwjf-hjm7-xvq3: Processing a maliciously crafted font may result in the disclosure of process memory
ghsa_unreviewed·2022-05-24
CVE-2021-30755 [MEDIUM] CWE-125 GHSA-gwjf-hjm7-xvq3: 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. An out-of-bounds read was addressed with improved input validation.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-09-08
Published