Description
A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. Improved memory handling addresses the multiple memory corruption issues.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | webkitgtk | Fixed in webkitgtk 2.26.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | webkit2gtk | 2.26.0-1 | — |
| Debian 13 | webkit2gtk | 2.26.0-1 | — |
| Debian 12 | webkit2gtk | 2.26.0-1 | — |
| Debian 10 | webkit2gtk | 2.26.1-3~deb10u1 | DSA-4558-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 22.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 20.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 18.04 LTS | webkit2gtk | 2.26.1-0ubuntu0.18.04.1 | USN-4178-1 |
| Ubuntu 18.04 LTS | webkitgtk +2 | No fix yet | — |
| Ubuntu 16.04 LTS | webkitgtk +3 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | LibRaw +1 | 0.19.5-2.el8 | RHSA-2020:4451 |
| RHEL 8 | gnome-settings-daemon | 3.32.0-11.el8 | RHSA-2020:4451 |
| RHEL 8 | webkit2gtk3 +3 | 2.28.4-1.el8 | RHSA-2020:4451 |
| RHEL 7 | webkitgtk4 +4 | 2.28.2-2.el7 | RHSA-2020:4035 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | LibRaw-devel | 0.19.5-2.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | PackageKit +6 | 1.1.12-6.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | dleyna-renderer | 0.6.0-3.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | frei0r-devel +2 | 1.6.1-7.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | gnome-remote-desktop | 0.1.8-3.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | gtk-doc | 1.28-2.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | gvfs | 1.36.2-10.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | libsoup +1 | 2.62.3-2.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | mutter-devel | 3.32.2-48.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | nautilus +1 | 3.28.1-14.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | pipewire +4 | 0.3.6-1.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | pipewire0.2-libs +1 | 0.2.7-6.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | potrace | 1.15-3.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | python3-gobject +2 | 3.28.3-2.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | tracker +1 | 2.1.5-2.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | vte291 +2 | 0.52.4-2.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | webrtc-audio-processing | 0.3-9.el8 | ALSA-2020:4451 |
| AlmaLinux 8 | xdg-desktop-portal-gtk | 1.6.0-1.el8 | ALSA-2020:4451 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | LibRaw | 0.19.5-2.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | PackageKit | 1.1.12-6.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | dleyna-renderer | 0.6.0-3.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | frei0r-plugins | 1.6.1-7.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | gnome-remote-desktop | 0.1.8-3.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | gnome-session | 3.28.1-10.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | gsettings-desktop-schemas | 3.32.0-5.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | gtk3 | 3.22.30-6.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | libsoup | 2.62.3-2.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | pipewire | 0.3.6-1.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | pipewire0.2 | 0.2.7-6.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | potrace | 1.15-3.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | pygobject3 | 3.28.3-2.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | tracker | 2.1.5-2.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | vte291 | 0.52.4-2.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | webrtc-audio-processing | 0.3-9.el8 | RLSA-2020:4451 |
| Rocky Linux 8 | xdg-desktop-portal-gtk | 1.6.0-1.el8 | RLSA-2020:4451 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | webkit2gtk3 | 2.26.2-3.34.3 | SUSE-SU-2019:3044-1 |
| SLES 15 | webkit2gtk3 | 2.26.2-3.34.3 | SUSE-SU-2019:3044-1 |
| SLES 12 SP5 | webkit2gtk3 | 2.28.1-2.50.3 | SUSE-SU-2020:1135-1 |
| SLES 12 SP4 | webkit2gtk3 | 2.28.1-2.50.3 | SUSE-SU-2020:1135-1 |
| SLES 12 SP3 | webkit2gtk3 | 2.28.1-2.50.3 | SUSE-SU-2020:1135-1 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | webkit2gtk3 | 2.28.1-2.50.3 | SUSE-SU-2020:1135-1 |
| SLES for SAP 12 SP5 | webkit2gtk3 | 2.28.1-2.50.3 | SUSE-SU-2020:1135-1 |
| SLES for SAP 12 SP4 | webkit2gtk3 | 2.28.1-2.50.3 | SUSE-SU-2020:1135-1 |
| SLES for SAP 12 SP3 | webkit2gtk3 | 2.28.1-2.50.3 | SUSE-SU-2020:1135-1 |
| SLES for SAP 12 SP2 | webkit2gtk3 | 2.28.1-2.50.3 | SUSE-SU-2020:1135-1 |
| SUSE OpenStack Cloud Crowbar 8 | webkit2gtk3 | 2.28.1-2.50.3 | SUSE-SU-2020:1135-1 |
| SUSE OpenStack Cloud 8 | webkit2gtk3 | 2.28.1-2.50.3 | SUSE-SU-2020:1135-1 |
| SUSE OpenStack Cloud 7 | webkit2gtk3 | 2.28.1-2.50.3 | SUSE-SU-2020:1135-1 |
| SUSE HPE Helion OpenStack 8 | webkit2gtk3 | 2.28.1-2.50.3 | SUSE-SU-2020:1135-1 |
| SUSE Enterprise Storage 5 | webkit2gtk3 | 2.28.1-2.50.3 | SUSE-SU-2020:1135-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.1 | webkit2gtk3 | 2.26.2-lp151.2.9.1 | openSUSE-SU-2019:2591-1 |
| openSUSE Leap 15.0 | webkit2gtk3 | 2.26.2-lp150.2.28.1 | openSUSE-SU-2019:2587-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.20 | webkit2gtk | 2.26.0-r0 | — |
| Alpine v3.19 | webkit2gtk | 2.26.0-r0 | — |
| Alpine v3.18 | webkit2gtk | 2.26.0-r0 | — |
| Alpine v3.17 | webkit2gtk | 2.26.0-r0 | — |
| Alpine v3.16 | webkit2gtk | 2.26.0-r0 | — |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.15 | webkit2gtk | 2.26.0-r0 | — |
| Alpine v3.14 | webkit2gtk | 2.26.0-r0 | — |
| Alpine v3.13 | webkit2gtk | 2.26.0-r0 | — |
| Alpine v3.12 | webkit2gtk | 2.26.0-r0 | — |
| Alpine v3.11 | webkit2gtk | 2.26.0-r0 | — |
| Alpine v3.10 | webkit2gtk | 2.26.0-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | webkitgtk4 +4 | 2.28.2-2.amzn2.0.1 | ALAS2-2020-1563 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | LibRaw +1 | 0.19.5-2.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | PackageKit +6 | 1.1.12-6.0.1.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | dleyna-renderer | 0.6.0-3.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | frei0r-devel +2 | 1.6.1-7.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | gdm | 1:3.28.3-34.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | gnome-classic-session +22 | 3.32.1-11.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | gnome-control-center +1 | 3.28.2-22.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | gnome-photos +1 | 3.28.1-3.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | gnome-remote-desktop | 0.1.8-3.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | gnome-session +2 | 3.28.1-10.0.1.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | gnome-settings-daemon | 3.32.0-11.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | gnome-shell | 3.32.2-20.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | gnome-terminal +4 | 3.28.3-2.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | gsettings-desktop-schemas +1 | 3.32.0-5.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | gtk-doc | 1.28-2.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | gtk3 +3 | 3.22.30-6.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | gvfs +10 | 1.36.2-10.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | libsoup +1 | 2.62.3-2.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | mutter +1 | 3.32.2-48.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | nautilus +2 | 3.28.1-14.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | pipewire +4 | 0.3.6-1.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | pipewire0.2-libs +1 | 0.2.7-6.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | potrace | 1.15-3.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | tracker +1 | 2.1.5-2.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | vte291 +2 | 0.52.4-2.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | webkit2gtk3 +3 | 2.28.4-1.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | webrtc-audio-processing | 0.3-9.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | xdg-desktop-portal | 1.6.0-2.el8 | ELSA-2020-4451 |
| Oracle Linux 8 | xdg-desktop-portal-gtk | 1.6.0-1.el8 | ELSA-2020-4451 |
| Oracle Linux 7 | webkitgtk4 +4 | 2.28.2-2.el7 | ELSA-2020-4035 |
Advisories 14
- ALSA-2020:4451 Moderate: GNOME security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2020:4451 Red Hat Security Advisory: GNOME security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2020:4035 Red Hat Security Advisory: webkitgtk4 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-4178-1 webkit2gtk vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4558-1 webkit2gtk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2020:4451 Moderate: GNOME security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 4, 2026
- openSUSE-SU-2019:2587-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1135-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2591-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:3044-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2024-1479 Red Hat Enterprise Linux/WebKitGTK: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit Benutzerrechten BSI CERT-Bund (WID) · Jun 30, 2024
- ALAS2-2020-1563 Moderate: webkitgtk4 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Nov 11, 2020
- ELSA-2020-4451 Moderate: GNOME security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 10, 2020
- ELSA-2020-4035 Moderate: webkitgtk4 security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 6, 2020