Rapid7 Vulnerability & Exploit Database

Red Hat: CVE-2021-21806: CVE-2021-21806 webkitgtk: Use-after-free in fireEventListeners leading to arbitrary code execution (Multiple Advisories)

Free InsightVM Trial No Credit Card Necessary
2024 Attack Intel Report Latest research by Rapid7 Labs
Back to Search

Red Hat: CVE-2021-21806: CVE-2021-21806 webkitgtk: Use-after-free in fireEventListeners leading to arbitrary code execution (Multiple Advisories)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
07/08/2021
Created
11/11/2021
Added
11/10/2021
Modified
12/15/2023

Description

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim needs to visit a malicious web site to trigger the vulnerability.

Solution(s)

  • redhat-upgrade-accountsservice
  • redhat-upgrade-accountsservice-debuginfo
  • redhat-upgrade-accountsservice-debugsource
  • redhat-upgrade-accountsservice-devel
  • redhat-upgrade-accountsservice-libs
  • redhat-upgrade-accountsservice-libs-debuginfo
  • redhat-upgrade-gdm
  • redhat-upgrade-gdm-debuginfo
  • redhat-upgrade-gdm-debugsource
  • redhat-upgrade-gnome-autoar
  • redhat-upgrade-gnome-autoar-debuginfo
  • redhat-upgrade-gnome-autoar-debugsource
  • redhat-upgrade-gnome-calculator
  • redhat-upgrade-gnome-calculator-debuginfo
  • redhat-upgrade-gnome-calculator-debugsource
  • redhat-upgrade-gnome-classic-session
  • redhat-upgrade-gnome-control-center
  • redhat-upgrade-gnome-control-center-debuginfo
  • redhat-upgrade-gnome-control-center-debugsource
  • redhat-upgrade-gnome-control-center-filesystem
  • redhat-upgrade-gnome-online-accounts
  • redhat-upgrade-gnome-online-accounts-debuginfo
  • redhat-upgrade-gnome-online-accounts-debugsource
  • redhat-upgrade-gnome-online-accounts-devel
  • redhat-upgrade-gnome-session
  • redhat-upgrade-gnome-session-debuginfo
  • redhat-upgrade-gnome-session-debugsource
  • redhat-upgrade-gnome-session-kiosk-session
  • redhat-upgrade-gnome-session-wayland-session
  • redhat-upgrade-gnome-session-xsession
  • redhat-upgrade-gnome-settings-daemon
  • redhat-upgrade-gnome-settings-daemon-debuginfo
  • redhat-upgrade-gnome-settings-daemon-debugsource
  • redhat-upgrade-gnome-shell
  • redhat-upgrade-gnome-shell-debuginfo
  • redhat-upgrade-gnome-shell-debugsource
  • redhat-upgrade-gnome-shell-extension-apps-menu
  • redhat-upgrade-gnome-shell-extension-auto-move-windows
  • redhat-upgrade-gnome-shell-extension-common
  • redhat-upgrade-gnome-shell-extension-dash-to-dock
  • redhat-upgrade-gnome-shell-extension-desktop-icons
  • redhat-upgrade-gnome-shell-extension-disable-screenshield
  • redhat-upgrade-gnome-shell-extension-drive-menu
  • redhat-upgrade-gnome-shell-extension-gesture-inhibitor
  • redhat-upgrade-gnome-shell-extension-horizontal-workspaces
  • redhat-upgrade-gnome-shell-extension-launch-new-instance
  • redhat-upgrade-gnome-shell-extension-native-window-placement
  • redhat-upgrade-gnome-shell-extension-no-hot-corner
  • redhat-upgrade-gnome-shell-extension-panel-favorites
  • redhat-upgrade-gnome-shell-extension-places-menu
  • redhat-upgrade-gnome-shell-extension-screenshot-window-sizer
  • redhat-upgrade-gnome-shell-extension-systemmonitor
  • redhat-upgrade-gnome-shell-extension-top-icons
  • redhat-upgrade-gnome-shell-extension-updates-dialog
  • redhat-upgrade-gnome-shell-extension-user-theme
  • redhat-upgrade-gnome-shell-extension-window-grouper
  • redhat-upgrade-gnome-shell-extension-window-list
  • redhat-upgrade-gnome-shell-extension-windowsnavigator
  • redhat-upgrade-gnome-shell-extension-workspace-indicator
  • redhat-upgrade-gnome-software
  • redhat-upgrade-gnome-software-debuginfo
  • redhat-upgrade-gnome-software-debugsource
  • redhat-upgrade-gnome-software-devel
  • redhat-upgrade-gsettings-desktop-schemas
  • redhat-upgrade-gsettings-desktop-schemas-devel
  • redhat-upgrade-gtk-update-icon-cache
  • redhat-upgrade-gtk-update-icon-cache-debuginfo
  • redhat-upgrade-gtk3
  • redhat-upgrade-gtk3-debuginfo
  • redhat-upgrade-gtk3-debugsource
  • redhat-upgrade-gtk3-devel
  • redhat-upgrade-gtk3-devel-debuginfo
  • redhat-upgrade-gtk3-immodule-xim
  • redhat-upgrade-gtk3-immodule-xim-debuginfo
  • redhat-upgrade-gtk3-immodules-debuginfo
  • redhat-upgrade-gtk3-tests-debuginfo
  • redhat-upgrade-libraw
  • redhat-upgrade-libraw-debuginfo
  • redhat-upgrade-libraw-debugsource
  • redhat-upgrade-libraw-devel
  • redhat-upgrade-libraw-samples-debuginfo
  • redhat-upgrade-mutter
  • redhat-upgrade-mutter-debuginfo
  • redhat-upgrade-mutter-debugsource
  • redhat-upgrade-mutter-devel
  • redhat-upgrade-mutter-tests-debuginfo
  • redhat-upgrade-vino
  • redhat-upgrade-vino-debuginfo
  • redhat-upgrade-vino-debugsource
  • redhat-upgrade-webkit2gtk3
  • redhat-upgrade-webkit2gtk3-debuginfo
  • redhat-upgrade-webkit2gtk3-debugsource
  • redhat-upgrade-webkit2gtk3-devel
  • redhat-upgrade-webkit2gtk3-devel-debuginfo
  • redhat-upgrade-webkit2gtk3-jsc
  • redhat-upgrade-webkit2gtk3-jsc-debuginfo
  • redhat-upgrade-webkit2gtk3-jsc-devel
  • redhat-upgrade-webkit2gtk3-jsc-devel-debuginfo

References

  • CVE-2021-21806
  • RHSA-2021:4381

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;