CVE-2021-1747
published 2021-04-02CVE-2021-1747: An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security…
PriorityP338high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
0.90%
55.7th percentile
An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing maliciously crafted web content may lead to code execution.
Affected
15 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_14.4_and_ipados | — | — |
| apple | ios_and_ipados | >= unspecified < 14.4 | 14.4 |
| apple | ipados | < 14.4 | 14.4 |
| apple | iphone_os | < 14.4 | 14.4 |
| apple | mac_os_x | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | >= 10.14 < 10.14.6 | 10.14.6 |
| apple | mac_os_x | >= 10.15 < 10.15.7 | 10.15.7 |
| apple | macos | >= 11.0 < 11.2 | 11.2 |
| apple | macos | >= unspecified < 11.2 | 11.2 |
| apple | macos | >= unspecified < 7.3 | 7.3 |
| apple | macos | >= unspecified < 14.4 | 14.4 |
| apple | macos_big_sur_11.2_security_update_2021-001_catalina_security_update_2021-001_mo | — | — |
| apple | tvos | < 14.4 | 14.4 |
| apple | watchos | < 7.3 | 7.3 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
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Apple
CVE-2021-1747: macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave
vendor_apple·2021-02-01·CVSS 7.8
CVE-2021-1747 [HIGH] CVE-2021-1747: macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave
Apple Security Update: About the security content of macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave
Product: macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave
CVE: CVE-2021-1747
Component: CoreAudio
Impact: Processing maliciously crafted web content may lead to code execution
Description: An out-of-bounds write was addressed with improved input validation.
Apple
CVE-2021-1747: iOS 14.4 and iPadOS 14.4
vendor_apple·2021-01-26·CVSS 7.8
CVE-2021-1747 [HIGH] CVE-2021-1747: iOS 14.4 and iPadOS 14.4
Apple Security Update: About the security content of iOS 14.4 and iPadOS 14.4
Product: iOS 14.4 and iPadOS
Version: 14.4
CVE: CVE-2021-1747
Component: CoreAudio
Impact: Processing maliciously crafted web content may lead to code execution
Description: An out-of-bounds write was addressed with improved input validation.
GHSA
GHSA-982v-wx4r-2pr3: An out-of-bounds write was addressed with improved input validation
ghsa_unreviewed·2022-05-24
CVE-2021-1747 [HIGH] CWE-787 GHSA-982v-wx4r-2pr3: An out-of-bounds write was addressed with improved input validation
An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing maliciously crafted web content may lead to code execution.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://support.apple.com/en-us/HT212146https://support.apple.com/en-us/HT212147https://support.apple.com/en-us/HT212148https://support.apple.com/en-us/HT212149https://support.apple.com/en-us/HT212146https://support.apple.com/en-us/HT212147https://support.apple.com/en-us/HT212148https://support.apple.com/en-us/HT212149
2021-04-02
Published