Description
A flaw was found in WebKitGTK. Processing malicious web content can cause an unexpected process crash due to improper memory handling.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The WebKitGTK Team | WebKitGTK | < 2.50.3 | 2.50.3 |
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | — | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | — | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | — | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | — | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | — | — |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | — | — |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
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 | wpewebkit +1 | 2.50.3-1 | — |
| Debian 13 | webkit2gtk | 2.50.3-1~deb13u1 | DSA-6074-1 |
| Debian 13 | wpewebkit | No fix yet | — |
| Debian 12 | webkit2gtk | 2.50.3-1~deb12u1 | DSA-6074-1 |
| Debian 12 | wpewebkit | No fix yet | — |
| Debian 11 | webkit2gtk | 2.50.3-1~deb11u1 | DLA-4399-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | webkit2gtk | 2.50.3-0ubuntu0.25.10.1 | USN-7941-1 |
| Ubuntu 24.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 24.04 LTS | webkit2gtk | 2.50.3-0ubuntu0.24.04.1 | USN-7941-1 |
| Ubuntu 22.04 LTS | webkit2gtk | 2.50.3-0ubuntu0.22.04.1 | USN-7941-1 |
| Ubuntu 22.04 LTS | wpewebkit +1 | No fix yet | — |
| Ubuntu 20.04 LTS | wpewebkit +2 | No fix yet | — |
| Ubuntu 18.04 LTS | webkitgtk +3 | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | webkitgtk +3 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | webkit2gtk3 +3 | 2.50.3-1.el9_7 | RHSA-2025:22790 |
| RHEL 8 | webkit2gtk3 +3 | 2.50.3-1.el8_10 | RHSA-2025:22789 |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.6 EUS | webkit2gtk3 +3 | 2.50.3-1.el9_6 | RHSA-2025:23110 |
| RHEL 9.4 EUS | webkit2gtk3 +3 | 2.50.3-1.el9_4 | RHSA-2025:23591 |
| RHEL 9.2 E4S | webkit2gtk3 +3 | 2.50.3-1.el9_2 | RHSA-2025:23451 |
| RHEL 9.0 E4S | webkit2gtk3 +3 | 2.50.3-1.el9_0 | RHSA-2025:23452 |
| RHEL 8.8 TUS | webkit2gtk3 +3 | 2.50.3-2.el8_8 | RHSA-2025:23742 |
| RHEL 8.8 E4S | webkit2gtk3 +3 | 2.50.3-2.el8_8 | RHSA-2025:23742 |
| RHEL 8.6 TUS | webkit2gtk3 +3 | 2.50.3-2.el8_6 | RHSA-2025:23743 |
| RHEL 8.6 E4S | webkit2gtk3 +3 | 2.50.3-2.el8_6 | RHSA-2025:23743 |
| RHEL 8.6 AUS | webkit2gtk3 +3 | 2.50.3-2.el8_6 | RHSA-2025:23743 |
| RHEL 8.4 EUS Long Life | webkit2gtk3 +3 | 2.50.3-2.el8_4 | RHSA-2025:23434 |
| RHEL 8.4 AUS | webkit2gtk3 +3 | 2.50.3-2.el8_4 | RHSA-2025:23434 |
| RHEL 8.2 AUS | webkit2gtk3 +3 | 2.50.3-2.el8_2 | RHSA-2025:23433 |
| RHEL 7 ELS | webkitgtk4 +4 | 2.50.3-2.el7_9 | RHSA-2025:23583 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | webkit2gtk3 +3 | 2.50.3-1.el9_7 | ALSA-2025:22790 |
| AlmaLinux 8 | webkit2gtk3 +3 | 2.50.3-1.el8_10 | ALSA-2025:22789 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | webkit2gtk3 | 2.50.3-1.el9_7 | RLSA-2025:22790 |
| Rocky Linux 8 | webkit2gtk3 | 2.50.3-1.el8_10 | RLSA-2025:22789 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | webkit2gtk3 +2 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 |
| SLES 15 SP6 | webkit2gtk3 +2 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 |
| SLES 15 SP5 | webkit2gtk3 +2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
| SLES 15 SP4 | webkit2gtk3 +2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
| SLES 12 SP5 | webkit2gtk3 | 2.50.3-4.47.1 | SUSE-SU-2025:4423-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | webkit2gtk3 +1 | 2.50.4-160000.1.1 | SUSE-SU-2026:20102-1 |
| SLES for SAP 15 SP6 | webkit2gtk3 +2 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 |
| SLES for SAP 15 SP5 | webkit2gtk3 +2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
| SLES for SAP 15 SP4 | webkit2gtk3 +2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
| SLES 16.0 | webkit2gtk3 +1 | 2.50.4-160000.1.1 | SUSE-SU-2026:20102-1 |
| SLE HPC 15 SP5 | webkit2gtk3 +2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
| SLE HPC 15 SP4 | webkit2gtk3 +2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
| SUSE Manager Server LTS 4.3 | webkit2gtk3-soup2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
| SUSE Manager Proxy LTS 4.3 | webkit2gtk3-soup2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | webkit2gtk3 +2 | 2.50.4-160000.1.1 | openSUSE-SU-2026:20065-1 |
| openSUSE Leap 15.6 | webkit2gtk3 +2 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | webkitgtk4 +3 | 2.50.4-1.amzn2 | ALAS2-2025-3114 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | webkit2gtk3 +3 | 2.50.3-1.el9_7 | ELSA-2025-22790 |
| Oracle Linux 8 | webkit2gtk3 +3 | 2.50.3-1.el8_10 | ELSA-2025-22789 |
Advisories 27
- ALSA-2025:22790 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2025:22789 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2025:23742 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2025:23743 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2025:23583 Red Hat Security Advisory: webkitgtk4 security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2025:23591 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2025:23451 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2025:23452 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2025:23434 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2025:23433 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2025:23110 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2025:22790 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2025:22789 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- USN-7941-1 webkit2gtk vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- WID-SEC-2025-2751 WebKitGTK: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 30, 2026
- ALAS2-2025-3114 Important: webkitgtk4 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Mar 23, 2026
- openSUSE-SU-2026:20065-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20102-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0021-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:4423-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:4416-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- DLA-4399-1 webkit2gtk - security update Debian Security (DSA / DLA) · Dec 10, 2025
- DSA-6074-1 webkit2gtk - security update Debian Security (DSA / DLA) · Dec 9, 2025
- RLSA-2025:22790 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Dec 9, 2025
- RLSA-2025:22789 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Dec 9, 2025
- ELSA-2025-22790 Important: webkit2gtk3 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Dec 8, 2025
- ELSA-2025-22789 Important: webkit2gtk3 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Dec 8, 2025
References
- RHSA-2025:22789 vendor-advisory
- RHSA-2025:22790 vendor-advisory
- RHSA-2025:23110 vendor-advisory
- RHSA-2025:23433 vendor-advisory
- RHSA-2025:23434 vendor-advisory
- RHSA-2025:23451 vendor-advisory
- RHSA-2025:23452 vendor-advisory
- RHSA-2025:23583 vendor-advisory
- RHSA-2025:23591 vendor-advisory
- RHSA-2025:23742 vendor-advisory
- RHSA-2025:23743 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2025-66287 vdb-entry
- RHBZ#2418857 issue-tracking
- https://webkitgtk.org/security/WSA-2025-0009.html