Vulnerability · Published Sep 8, 2021 · Assigned by apple

CVE-2021-30758

High 8.8

In plain English

A high-severity security flaw in iOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.7%top 23.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8LibRaw0.19.5-3.el8ALSA-2021:4381
AlmaLinux:8LibRaw-devel0.19.5-3.el8ALSA-2021:4381
AlmaLinux:8accountsservice0.6.55-2.el8ALSA-2021:4381
AlmaLinux:8accountsservice-devel0.6.55-2.el8ALSA-2021:4381
AlmaLinux:8accountsservice-libs0.6.55-2.el8ALSA-2021:4381
AlmaLinux:8gdm1:40.0-15.el8ALSA-2021:4381
AlmaLinux:8gnome-autoar0.2.3-2.el8ALSA-2021:4381
AlmaLinux:8gnome-calculator3.28.2-2.el8ALSA-2021:4381
AlmaLinux:8gnome-classic-session3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-control-center3.28.2-28.el8ALSA-2021:4381
AlmaLinux:8gnome-control-center-filesystem3.28.2-28.el8ALSA-2021:4381
AlmaLinux:8gnome-online-accounts3.28.2-3.el8ALSA-2021:4381
AlmaLinux:8gnome-online-accounts-devel3.28.2-3.el8ALSA-2021:4381
AlmaLinux:8gnome-session3.28.1-13.el8ALSA-2021:4381
AlmaLinux:8gnome-session-kiosk-session3.28.1-13.el8ALSA-2021:4381
AlmaLinux:8gnome-session-wayland-session3.28.1-13.el8ALSA-2021:4381
AlmaLinux:8gnome-session-xsession3.28.1-13.el8ALSA-2021:4381
AlmaLinux:8gnome-settings-daemon3.32.0-16.el8.almaALSA-2021:4381
AlmaLinux:8gnome-shell3.32.2-40.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-apps-menu3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-auto-move-windows3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-common3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-dash-to-dock3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-desktop-icons3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-disable-screenshield3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-drive-menu3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-gesture-inhibitor3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-horizontal-workspaces3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-launch-new-instance3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-native-window-placement3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-no-hot-corner3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-panel-favorites3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-places-menu3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-screenshot-window-sizer3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-systemMonitor3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-top-icons3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-updates-dialog3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-user-theme3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-window-grouper3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-window-list3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-windowsNavigator3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-shell-extension-workspace-indicator3.32.1-20.el8ALSA-2021:4381
AlmaLinux:8gnome-software3.36.1-10.el8ALSA-2021:4381
AlmaLinux:8gnome-software-devel3.36.1-10.el8ALSA-2021:4381
AlmaLinux:8gsettings-desktop-schemas3.32.0-6.el8ALSA-2021:4381
AlmaLinux:8gsettings-desktop-schemas-devel3.32.0-6.el8ALSA-2021:4381
AlmaLinux:8gtk-update-icon-cache3.22.30-8.el8ALSA-2021:4381
AlmaLinux:8gtk33.22.30-8.el8ALSA-2021:4381
AlmaLinux:8gtk3-devel3.22.30-8.el8ALSA-2021:4381
AlmaLinux:8gtk3-immodule-xim3.22.30-8.el8ALSA-2021:4381
AlmaLinux:8mutter3.32.2-60.el8ALSA-2021:4381
AlmaLinux:8mutter-devel3.32.2-60.el8ALSA-2021:4381
AlmaLinux:8vino3.22.0-11.el8ALSA-2021:4381
AlmaLinux:8webkit2gtk32.32.3-2.el8ALSA-2021:4381
AlmaLinux:8webkit2gtk3-devel2.32.3-2.el8ALSA-2021:4381
AlmaLinux:8webkit2gtk3-jsc2.32.3-2.el8ALSA-2021:4381
AlmaLinux:8webkit2gtk3-jsc-devel2.32.3-2.el8ALSA-2021:4381
Alpine:v3.20webkit2gtk2.32.2-r0ALPINE-CVE-2021-30758
Debian:12webkit2gtk2.32.2-1DEBIAN-CVE-2021-30758
Debian:13webkit2gtk2.32.2-1DEBIAN-CVE-2021-30758
Debian:14webkit2gtk2.32.2-1DEBIAN-CVE-2021-30758
Debian:12wpewebkit2.32.2-1DEBIAN-CVE-2021-30758
Debian:13wpewebkit2.32.2-1DEBIAN-CVE-2021-30758
Debian:14wpewebkit2.32.2-1DEBIAN-CVE-2021-30758
Rocky Linux:8LibRaw0:0.19.5-3.el8RLSA-2021:4381
Rocky Linux:8accountsservice0:0.6.55-2.el8RLSA-2021:4381
Rocky Linux:8gdm1:40.0-15.el8RLSA-2021:4381
Rocky Linux:8gnome-autoar0:0.2.3-2.el8RLSA-2021:4381
Rocky Linux:8gnome-calculator0:3.28.2-2.el8RLSA-2021:4381
Rocky Linux:8gnome-control-center0:3.28.2-28.el8RLSA-2021:4381
Rocky Linux:8gnome-online-accounts0:3.28.2-3.el8RLSA-2021:4381
Rocky Linux:8gnome-session0:3.28.1-13.el8RLSA-2021:4381
Rocky Linux:8gnome-settings-daemon0:3.32.0-16.el8RLSA-2021:4381
Rocky Linux:8gnome-settings-daemon0:3.32.0-16.el8_6.1RLSA-2021:4381
Rocky Linux:8gnome-shell0:3.32.2-40.el8RLSA-2021:4381
Rocky Linux:8gnome-shell-extensions0:3.32.1-20.el8RLSA-2021:4381
Rocky Linux:8gnome-software0:3.36.1-10.el8RLSA-2021:4381
Rocky Linux:8gsettings-desktop-schemas0:3.32.0-6.el8RLSA-2021:4381
Rocky Linux:8gtk30:3.22.30-8.el8RLSA-2021:4381
Rocky Linux:8mutter0:3.32.2-60.el8RLSA-2021:4381
Rocky Linux:8vino0:3.22.0-11.el8RLSA-2021:4381
Rocky Linux:8webkit2gtk30:2.32.3-2.el8RLSA-2021:4381
Ubuntu:22.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2021-30758
Ubuntu:24.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2021-30758
Ubuntu:22.04:LTSwpewebkitno fix listedUBUNTU-CVE-2021-30758

Affected products (as reported)

VendorProductVersions
Apple iOS unspecified – before 14.7
Apple macOS unspecified – before 11.5
Apple macOS unspecified – before 14.7
Apple macOS unspecified – before 7.6
Apple macOS unspecified – before 14.1

References