CVE-2021-1809
published 2021-09-08CVE-2021-1809: A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave…
PriorityP340high7.5CVSS 3.1
AVNACLPRNUINSUCHINAN
EPSS
1.77%
75.6th percentile
A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A malicious application may be able to read restricted memory.
Affected
18 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_14.5_and_ipados | — | — |
| apple | ios_and_ipados | >= unspecified < 14.5 | 14.5 |
| apple | ipados | < 14.5 | 14.5 |
| apple | iphone_os | < 14.5 | 14.5 |
| apple | mac_os_x | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | 10.14 – 10.14.5 | — |
| apple | mac_os_x | 10.15 – 10.15.5 | — |
| apple | macos | >= 11.0 < 11.3 | 11.3 |
| apple | macos | >= unspecified < 11.3 | 11.3 |
| apple | macos | >= unspecified < 2021 | 2021 |
| apple | macos_big_sur | — | — |
| apple | security_update_2021-002_catalina | — | — |
| apple | tvos | < 14.5 | 14.5 |
| apple | tvos | >= unspecified < 14.5 | 14.5 |
| apple | watchos | < 7.4 | 7.4 |
| apple | watchos | >= unspecified < 7.4 | 7.4 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
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Apple
CVE-2021-1809: macOS Big Sur 11.3
vendor_apple·2021-04-26·CVSS 7.5
CVE-2021-1809 [HIGH] CVE-2021-1809: macOS Big Sur 11.3
Apple Security Update: About the security content of macOS Big Sur 11.3
Product: macOS Big Sur
Version: 11.3
CVE: CVE-2021-1809
Component: CoreAudio
Impact: A malicious application may be able to read restricted memory
Description: A memory corruption issue was addressed with improved validation.
Apple
CVE-2021-1809: Security Update 2021-002 Catalina
vendor_apple·2021-04-26·CVSS 7.5
CVE-2021-1809 [HIGH] CVE-2021-1809: Security Update 2021-002 Catalina
Apple Security Update: About the security content of Security Update 2021-002 Catalina
Product: Security Update 2021-002 Catalina
CVE: CVE-2021-1809
Component: CoreAudio
Impact: A malicious application may be able to read restricted memory
Description: A memory corruption issue was addressed with improved validation.
Apple
CVE-2021-1809: iOS 14.5 and iPadOS 14.5
vendor_apple·2021-04-26·CVSS 7.5
CVE-2021-1809 [HIGH] CVE-2021-1809: iOS 14.5 and iPadOS 14.5
Apple Security Update: About the security content of iOS 14.5 and iPadOS 14.5
Product: iOS 14.5 and iPadOS
Version: 14.5
CVE: CVE-2021-1809
Component: CoreAudio
Impact: A malicious application may be able to read restricted memory
Description: A memory corruption issue was addressed with improved validation.
GHSA
GHSA-2wwm-h8xc-j39r: A memory corruption issue was addressed with improved validation
ghsa_unreviewed·2022-05-24
CVE-2021-1809 [HIGH] CWE-125 GHSA-2wwm-h8xc-j39r: A memory corruption issue was addressed with improved validation
A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A malicious application may be able to read restricted memory.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://support.apple.com/en-us/HT212317https://support.apple.com/en-us/HT212323https://support.apple.com/en-us/HT212324https://support.apple.com/en-us/HT212325https://support.apple.com/en-us/HT212326https://support.apple.com/en-us/HT212327https://support.apple.com/en-us/HT212317https://support.apple.com/en-us/HT212323https://support.apple.com/en-us/HT212324https://support.apple.com/en-us/HT212325https://support.apple.com/en-us/HT212326https://support.apple.com/en-us/HT212327
2021-09-08
Published