Vulnerability · Published Sep 8, 2021 · Assigned by apple
CVE-2021-30795
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 2.2% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)2.2%top 17.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A use after free issue was addressed with improved memory management. 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
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | LibRaw | 0.19.5-3.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | LibRaw-devel | 0.19.5-3.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | accountsservice | 0.6.55-2.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | accountsservice-devel | 0.6.55-2.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | accountsservice-libs | 0.6.55-2.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gdm | 1:40.0-15.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-autoar | 0.2.3-2.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-calculator | 3.28.2-2.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-classic-session | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-control-center | 3.28.2-28.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-control-center-filesystem | 3.28.2-28.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-online-accounts | 3.28.2-3.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-online-accounts-devel | 3.28.2-3.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-session | 3.28.1-13.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-session-kiosk-session | 3.28.1-13.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-session-wayland-session | 3.28.1-13.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-session-xsession | 3.28.1-13.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-settings-daemon | 3.32.0-16.el8.alma | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell | 3.32.2-40.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-apps-menu | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-auto-move-windows | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-common | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-dash-to-dock | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-desktop-icons | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-disable-screenshield | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-drive-menu | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-gesture-inhibitor | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-horizontal-workspaces | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-launch-new-instance | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-native-window-placement | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-no-hot-corner | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-panel-favorites | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-places-menu | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-screenshot-window-sizer | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-systemMonitor | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-top-icons | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-updates-dialog | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-user-theme | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-window-grouper | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-window-list | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-windowsNavigator | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-shell-extension-workspace-indicator | 3.32.1-20.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-software | 3.36.1-10.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gnome-software-devel | 3.36.1-10.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gsettings-desktop-schemas | 3.32.0-6.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gsettings-desktop-schemas-devel | 3.32.0-6.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gtk-update-icon-cache | 3.22.30-8.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gtk3 | 3.22.30-8.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gtk3-devel | 3.22.30-8.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | gtk3-immodule-xim | 3.22.30-8.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | mutter | 3.32.2-60.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | mutter-devel | 3.32.2-60.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | vino | 3.22.0-11.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | webkit2gtk3 | 2.32.3-2.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | webkit2gtk3-devel | 2.32.3-2.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | webkit2gtk3-jsc | 2.32.3-2.el8 | ALSA-2021:4381 |
| AlmaLinux:8 | webkit2gtk3-jsc-devel | 2.32.3-2.el8 | ALSA-2021:4381 |
| Alpine:v3.20 | webkit2gtk | 2.32.3-r0 | ALPINE-CVE-2021-30795 |
| Debian:12 | webkit2gtk | 2.32.3-1 | DEBIAN-CVE-2021-30795 |
| Debian:13 | webkit2gtk | 2.32.3-1 | DEBIAN-CVE-2021-30795 |
| Debian:14 | webkit2gtk | 2.32.3-1 | DEBIAN-CVE-2021-30795 |
| Debian:12 | wpewebkit | 2.32.3-1 | DEBIAN-CVE-2021-30795 |
| Debian:13 | wpewebkit | 2.32.3-1 | DEBIAN-CVE-2021-30795 |
| Debian:14 | wpewebkit | 2.32.3-1 | DEBIAN-CVE-2021-30795 |
| Rocky Linux:8 | LibRaw | 0:0.19.5-3.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | accountsservice | 0:0.6.55-2.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | gdm | 1:40.0-15.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | gnome-autoar | 0:0.2.3-2.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | gnome-calculator | 0:3.28.2-2.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | gnome-control-center | 0:3.28.2-28.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | gnome-online-accounts | 0:3.28.2-3.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | gnome-session | 0:3.28.1-13.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | gnome-settings-daemon | 0:3.32.0-16.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | gnome-settings-daemon | 0:3.32.0-16.el8_6.1 | RLSA-2021:4381 |
| Rocky Linux:8 | gnome-shell | 0:3.32.2-40.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | gnome-shell-extensions | 0:3.32.1-20.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | gnome-software | 0:3.36.1-10.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | gsettings-desktop-schemas | 0:3.32.0-6.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | gtk3 | 0:3.22.30-8.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | mutter | 0:3.32.2-60.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | vino | 0:3.22.0-11.el8 | RLSA-2021:4381 |
| Rocky Linux:8 | webkit2gtk3 | 0:2.32.3-2.el8 | RLSA-2021:4381 |
| Ubuntu:22.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2021-30795 |
| Ubuntu:24.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2021-30795 |
| Ubuntu:22.04:LTS | wpewebkit | no fix listed | UBUNTU-CVE-2021-30795 |
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212601 x_refsource_MISC
- https://support.apple.com/en-us/HT212602 x_refsource_MISC
- https://support.apple.com/en-us/HT212605 x_refsource_MISC
- https://support.apple.com/en-us/HT212604 x_refsource_MISC
- https://support.apple.com/en-us/HT212606 x_refsource_MISC