CVE-2021-1882
published 2021-09-08CVE-2021-1882: A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS…
PriorityP344critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.69%
74.5th percentile
A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to gain elevated privileges.
Affected
16 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 | 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
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv6.7MEDIUM
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Apple
CVE-2021-1882: iOS 14.5 and iPadOS 14.5
vendor_apple·2021-04-26·CVSS 9.8
CVE-2021-1882 [CRITICAL] CVE-2021-1882: 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-2021-1882
Component: Foundation
Impact: An application may be able to gain elevated privileges
Description: A memory corruption issue was addressed with improved validation.
Apple
CVE-2021-1882: Security Update 2021-002 Catalina
vendor_apple·2021-04-26·CVSS 9.8
CVE-2021-1882 [CRITICAL] CVE-2021-1882: 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-2021-1882
Component: Foundation
Impact: An application may be able to gain elevated privileges
Description: A memory corruption issue was addressed with improved validation.
Apple
CVE-2021-1882: macOS Big Sur 11.3
vendor_apple·2021-04-26·CVSS 9.8
CVE-2021-1882 [CRITICAL] CVE-2021-1882: 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-2021-1882
Component: Foundation
Impact: An application may be able to gain elevated privileges
Description: A memory corruption issue was addressed with improved validation.
OSV
linux-ibm vulnerabilities
osv·2022-10-14·CVSS 6.7
CVE-2021-33655 linux-ibm vulnerabilities
linux-ibm vulnerabilities
It was discovered that the framebuffer driver on the Linux kernel did not
verify size limits when changing font or screen size, leading to an out-of-
bounds write. A local attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2021-33655)
Selim Enes Karaduman discovered that a race condition existed in the
General notification queue implementation of the Linux kernel, leading to a
use-after-free vulnerability. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2022-1882)
Duoming Zhou discovered that race conditions existed in the timer handling
implementation of the Linux kernel's Rose X.25 protocol layer, resulting in
use-after-free vulnerabi
GHSA
GHSA-wjj4-8gg2-x22g: A memory corruption issue was addressed with improved validation
ghsa_unreviewed·2022-05-24
CVE-2021-1882 [CRITICAL] CWE-787 GHSA-wjj4-8gg2-x22g: 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, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to gain elevated privileges.
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/HT212317https://support.apple.com/en-us/HT212323https://support.apple.com/en-us/HT212324https://support.apple.com/en-us/HT212325https://support.apple.com/en-us/HT212326
2021-09-08
Published