Description
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 15.6 and iPadOS 15.6, watchOS 8.7, tvOS 15.6, macOS Monterey 12.5, Safari 15.6. Processing maliciously crafted web content may lead to arbitrary code execution.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | macOS | unspecified – < 12.5 | 12.5 |
| Apple | tvOS | unspecified – < 15.6 | 15.6 |
| Apple | watchOS | unspecified – < 8.7, unspecified – < 15.6 | 8.7 |
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 | 2.36.6-1 | — |
| Debian 13 | wpewebkit +1 | 2.36.6-1 | — |
| Debian 12 | wpewebkit +1 | 2.36.6-1 | — |
| Debian 11 | wpewebkit +1 | 2.36.6-1~deb11u1 | DSA-5211-1, DSA-5210-1 |
| Debian 10 | webkit2gtk | 2.36.6-1~deb10u1 | DLA-3073-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 22.04 LTS | webkit2gtk | 2.36.6-0ubuntu0.22.04.1 | USN-5568-1 |
| Ubuntu 22.04 LTS | wpewebkit +1 | No fix yet | — |
| Ubuntu 20.04 LTS | webkit2gtk | 2.36.6-0ubuntu0.20.04.1 | USN-5568-1 |
| Ubuntu 20.04 LTS | wpewebkit +1 | No fix yet | — |
| Ubuntu 18.04 LTS | webkitgtk +3 | No fix yet | — |
| Ubuntu 16.04 LTS | webkitgtk +3 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | webkit2gtk3 +3 | 2.36.7-1.el9 | RHSA-2022:8054 |
| RHEL 8 | glib2 +5 | 2.56.4-159.el8 | RHSA-2022:7704 |
| RHEL 8 | webkit2gtk3 +3 | 2.36.7-1.el8 | RHSA-2022:7704 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 ELS | webkitgtk4 +4 | 2.48.3-2.el7_9 | RHSA-2025:10364 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | webkit2gtk3 +2 | 2.36.5-150400.4.9.1 | SUSE-SU-2022:2826-1 |
| SLES 15 SP3 | webkit2gtk3 | 2.36.5-150200.41.1 | SUSE-SU-2022:2820-1 |
| SLES 15 SP2 | webkit2gtk3 | 2.36.5-150200.41.1 | SUSE-SU-2022:2820-1 |
| SLES 15 SP1 | webkit2gtk3 | 2.36.5-150000.3.109.1 | SUSE-SU-2022:2821-1 |
| SLES 15 | webkit2gtk3 | 2.36.5-150000.3.109.1 | SUSE-SU-2022:2821-1 |
Show 19 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | webkit2gtk3 | 2.36.5-2.107.2 | SUSE-SU-2022:2915-1 |
| SLES 12 SP4 | webkit2gtk3 | 2.36.5-2.107.2 | SUSE-SU-2022:2915-1 |
| SLES 12 SP3 | webkit2gtk3 | 2.36.5-2.107.2 | SUSE-SU-2022:2915-1 |
| SLES 12 SP2 | webkit2gtk3 | 2.36.5-2.107.2 | SUSE-SU-2022:2915-1 |
| SLES for SAP 15 SP2 | webkit2gtk3 | 2.36.5-150200.41.1 | SUSE-SU-2022:2820-1 |
| SLES for SAP 15 SP1 | webkit2gtk3 | 2.36.5-150000.3.109.1 | SUSE-SU-2022:2821-1 |
| SLES for SAP 15 | webkit2gtk3 | 2.36.5-150000.3.109.1 | SUSE-SU-2022:2821-1 |
| SLES for SAP 12 SP5 | webkit2gtk3 | 2.36.5-2.107.2 | SUSE-SU-2022:2915-1 |
| SLES for SAP 12 SP4 | webkit2gtk3 | 2.36.5-2.107.2 | SUSE-SU-2022:2915-1 |
| SLE HPC 15 SP2 | webkit2gtk3 | 2.36.5-150200.41.1 | SUSE-SU-2022:2820-1 |
| SLE HPC 15 SP1 | webkit2gtk3 | 2.36.5-150000.3.109.1 | SUSE-SU-2022:2821-1 |
| SLE HPC 15 | webkit2gtk3 | 2.36.5-150000.3.109.1 | SUSE-SU-2022:2821-1 |
| SUSE OpenStack Cloud Crowbar 9 | webkit2gtk3 | 2.36.5-2.107.2 | SUSE-SU-2022:2915-1 |
| SUSE OpenStack Cloud 9 | webkit2gtk3 | 2.36.5-2.107.2 | SUSE-SU-2022:2915-1 |
| SUSE Manager Server 4.1 | webkit2gtk3 | 2.36.5-150200.41.1 | SUSE-SU-2022:2820-1 |
| SUSE Manager Retail Branch Server 4.1 | webkit2gtk3 | 2.36.5-150200.41.1 | SUSE-SU-2022:2820-1 |
| SUSE Manager Proxy 4.1 | webkit2gtk3 | 2.36.5-150200.41.1 | SUSE-SU-2022:2820-1 |
| SUSE Enterprise Storage 7 | webkit2gtk3 | 2.36.5-150200.41.1 | SUSE-SU-2022:2820-1 |
| SUSE Enterprise Storage 6 | webkit2gtk3 | 2.36.5-150000.3.109.1 | SUSE-SU-2022:2821-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | webkit2gtk3 | 2.36.5-150200.41.1 | SUSE-SU-2022:2826-1, SUSE-SU-2022:2820-1 |
| openSUSE Leap 15.4 | webkit2gtk4 +1 | 2.36.5-150400.4.9.1 | SUSE-SU-2022:2826-1 |
| openSUSE Leap 15.3 | webkit2gtk3 | 2.36.5-150200.41.1 | SUSE-SU-2022:2820-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | webkit2gtk-6.0 | 2.36.5-r0 | — |
| Alpine v3.23 | webkit2gtk-6.0 | 2.36.5-r0 | — |
| Alpine v3.22 | webkit2gtk-6.0 | 2.36.5-r0 | — |
| Alpine v3.21 | webkit2gtk-6.0 | 2.36.5-r0 | — |
| Alpine v3.20 | webkit2gtk +1 | 2.36.5-r0 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | webkit2gtk +1 | 2.36.5-r0 | — |
| Alpine v3.18 | webkit2gtk +1 | 2.36.5-r0 | — |
| Alpine v3.17 | webkit2gtk +1 | 2.36.5-r0 | — |
| Alpine v3.16 | webkit2gtk +1 | 2.36.5-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | webkitgtk4 +3 | 2.38.5-3.amzn2.0.1 | ALAS2-2023-2088 |
Advisories 14
- RHSA-2025:10364 Red Hat Security Advisory: webkitgtk4 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2022:8054 Red Hat Security Advisory: webkit2gtk3 security and bug fix update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2022:7704 Red Hat Security Advisory: webkit2gtk3 security and bug fix update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-5568-1 webkit2gtk vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-5210-1 webkit2gtk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-5211-1 wpewebkit - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3073-1 webkit2gtk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:2820-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2821-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2915-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2826-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-0778 Apple macOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 20, 2025
- WID-SEC-2022-0782 Apple iOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 20, 2025
- ALAS2-2023-2088 Important: webkitgtk4 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 28, 2024