CVE-2021-30818
published 2021-10-28CVE-2021-30818: A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15…
PriorityP352high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
1.52%
71.7th percentile
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.
Affected
19 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_14.8_and_ipados | — | — |
| apple | ios_15_and_ipados | — | — |
| apple | ios_and_ipados | >= unspecified < 14.8 | 14.8 |
| apple | ios_and_ipados | >= unspecified < 15 | 15 |
| apple | ipados | < 14.8 | 14.8 |
| apple | iphone_os | < 14.8 | 14.8 |
| apple | macos | < 12.0.1 | 12.0.1 |
| apple | macos_monterey | — | — |
| apple | safari | < 15.0 | 15.0 |
| apple | safari | — | — |
| apple | safari | >= unspecified < 15 | 15 |
| apple | tvos | < 15.0 | 15.0 |
| apple | tvos | — | — |
| apple | tvos | >= unspecified < 15 | 15 |
| apple | watchos | < 8.0 | 8.0 |
| apple | watchos | >= unspecified < 8 | 8 |
| apple | watchos_8 | — | — |
| debian | webkit2gtk | < webkit2gtk 2.34.1-1 (bookworm) | webkit2gtk 2.34.1-1 (bookworm) |
| debian | wpewebkit | < webkit2gtk 2.34.1-1 (bookworm) | webkit2gtk 2.34.1-1 (bookworm) |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/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
osv8.8HIGH
vendor_debian8.8HIGH
vendor_redhat8.8HIGH
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GHSA
GHSA-rx33-r3jc-7m3x: A type confusion issue was addressed with improved state handling
ghsa_unreviewed·2022-05-24
CVE-2021-30818 [HIGH] CWE-843 GHSA-rx33-r3jc-7m3x: A type confusion issue was addressed with improved state handling
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.
OSV
CVE-2021-30818: A type confusion issue was addressed with improved state handling
osv·2021-10-28·CVSS 8.8
CVE-2021-30818 [HIGH] CVE-2021-30818: A type confusion issue was addressed with improved state handling
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.
Red Hat
webkitgtk: Type confusion issue leading to arbitrary code execution
vendor_redhat·2021-12-20·CVSS 8.8
CVE-2021-30818 [HIGH] CWE-843 webkitgtk: Type confusion issue leading to arbitrary code execution
webkitgtk: Type confusion issue leading to arbitrary code execution
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.
A confusion type flaw was found in WebKitGTK. Specially crafted web content could use this flaw to trigger an arbitrary code execution when processed.
Package: webkitgtk (Red Hat Enterprise Linux 6) - Out of support scope
Package: webkitgtk3 (Red Hat Enterprise Linux 7) - Out of support scope
Package: webkit2gtk3 (Red Hat Enterprise Linux 9) - Not affected
Apple
CVE-2021-30818: macOS Monterey 12.0.1
vendor_apple·2021-10-25·CVSS 8.8
CVE-2021-30818 [HIGH] CVE-2021-30818: macOS Monterey 12.0.1
Apple Security Update: About the security content of macOS Monterey 12.0.1
Product: macOS Monterey
Version: 12.0.1
CVE: CVE-2021-30818
Component: WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A type confusion issue was addressed with improved state handling.
Apple
CVE-2021-30818: tvOS 15
vendor_apple·2021-09-20·CVSS 8.8
CVE-2021-30818 [HIGH] CVE-2021-30818: tvOS 15
Apple Security Update: About the security content of tvOS 15
Product: tvOS
Version: 15
CVE: CVE-2021-30818
Component: WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A type confusion issue was addressed with improved state handling.
Apple
CVE-2021-30818: iOS 15 and iPadOS 15
vendor_apple·2021-09-20·CVSS 8.8
CVE-2021-30818 [HIGH] CVE-2021-30818: iOS 15 and iPadOS 15
Apple Security Update: About the security content of iOS 15 and iPadOS 15
Product: iOS 15 and iPadOS
Version: 15
CVE: CVE-2021-30818
Component: WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A type confusion issue was addressed with improved state handling.
Apple
CVE-2021-30818: watchOS 8
vendor_apple·2021-09-20·CVSS 8.8
CVE-2021-30818 [HIGH] CVE-2021-30818: watchOS 8
Apple Security Update: About the security content of watchOS 8
Product: watchOS 8
CVE: CVE-2021-30818
Component: WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A type confusion issue was addressed with improved state handling.
Apple
CVE-2021-30818: Safari 15
vendor_apple·2021-09-20·CVSS 8.8
CVE-2021-30818 [HIGH] CVE-2021-30818: Safari 15
Apple Security Update: About the security content of Safari 15
Product: Safari
Version: 15
CVE: CVE-2021-30818
Component: WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A type confusion issue was addressed with improved state handling.
Apple
CVE-2021-30818: iOS 14.8 and iPadOS 14.8
vendor_apple·2021-09-13·CVSS 8.8
CVE-2021-30818 [HIGH] CVE-2021-30818: iOS 14.8 and iPadOS 14.8
Apple Security Update: About the security content of iOS 14.8 and iPadOS 14.8
Product: iOS 14.8 and iPadOS
Version: 14.8
CVE: CVE-2021-30818
Component: WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A type confusion issue was addressed with improved state handling.
Debian
CVE-2021-30818: webkit2gtk - A type confusion issue was addressed with improved state handling. This issue is...
vendor_debian·2021·CVSS 8.8
CVE-2021-30818 [HIGH] CVE-2021-30818: webkit2gtk - A type confusion issue was addressed with improved state handling. This issue is...
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.
Scope: local
bookworm: resolved (fixed in 2.34.1-1)
bullseye: resolved (fixed in 2.34.1-1~deb11u1)
forky: resolved (fixed in 2.34.1-1)
sid: resolved (fixed in 2.34.1-1)
trixie: resolved (fixed in 2.34.1-1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
http://www.openwall.com/lists/oss-security/2021/12/20/6https://support.apple.com/en-us/HT212807https://support.apple.com/en-us/HT212814https://support.apple.com/en-us/HT212815https://support.apple.com/en-us/HT212816https://support.apple.com/en-us/HT212819https://support.apple.com/kb/HT212869http://www.openwall.com/lists/oss-security/2021/12/20/6https://support.apple.com/en-us/HT212807https://support.apple.com/en-us/HT212814https://support.apple.com/en-us/HT212815https://support.apple.com/en-us/HT212816https://support.apple.com/en-us/HT212819https://support.apple.com/kb/HT212869
2021-10-28
Published