Description
The issue was addressed with improved checks. This issue is fixed in Safari 18.3, iOS 18.3 and iPadOS 18.3, macOS Sequoia 15.3, tvOS 18.3, visionOS 2.3, watchOS 11.3. Processing maliciously crafted web content may lead to memory corruption.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | Safari | < 18.3 | 18.3 |
| Apple | iOS and iPadOS | < 18.3 | 18.3 |
| Apple | macOS | < 15.3 | 15.3 |
| Apple | tvOS | < 18.3 | 18.3 |
| Apple | visionOS | < 2.3 | 2.3 |
| Apple | watchOS | < 11.3 | 11.3 |
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 | 2.48.0-1 | — |
| Debian 13 | wpewebkit +1 | 2.48.0-1 | — |
| Debian 12 | webkit2gtk | 2.48.0-1~deb12u1 | DSA-5885-1 |
| Debian 12 | wpewebkit | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 24.04 LTS | webkit2gtk | 2.48.0-0ubuntu0.24.04.1 | — |
| Ubuntu 22.04 LTS | webkit2gtk | 2.48.0-0ubuntu0.22.04.1 | — |
| 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 | — |
| Ubuntu 16.04 LTS | webkitgtk +3 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | webkit2gtk3 +3 | 2.48.1-1.el9_5 | RHSA-2025:3713 |
| RHEL 8 | webkit2gtk3 +3 | 2.48.1-1.el8_10 | RHSA-2025:3974 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.4 EUS | webkit2gtk3 +3 | 2.48.1-2.el9_4 | RHSA-2025:3755 |
| RHEL 9.2 EUS | webkit2gtk3 +3 | 2.48.1-3.el9_2 | RHSA-2025:3756 |
| RHEL 9.0 E4S | webkit2gtk3 +3 | 2.48.1-1.el9_0 | RHSA-2025:8065 |
| RHEL 8.8 EUS | webkit2gtk3 +3 | 2.48.1-1.el8_8 | RHSA-2025:4445 |
| RHEL 8.6 TUS | webkit2gtk3 +3 | 2.48.1-2.el8_6 | RHSA-2025:8066 |
| RHEL 8.6 E4S | webkit2gtk3 +3 | 2.48.1-2.el8_6 | RHSA-2025:8066 |
| RHEL 8.6 AUS | webkit2gtk3 +3 | 2.48.1-2.el8_6 | RHSA-2025:8066 |
| RHEL 8.4 TUS | webkit2gtk3 +3 | 2.48.1-2.el8_4 | RHSA-2025:8064 |
| RHEL 8.4 E4S | webkit2gtk3 +3 | 2.48.1-2.el8_4 | RHSA-2025:8064 |
| RHEL 8.4 AUS | webkit2gtk3 +3 | 2.48.1-2.el8_4 | RHSA-2025:8064 |
| RHEL 8.2 AUS | webkit2gtk3 +3 | 2.48.1-2.el8_2 | RHSA-2025:8194 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | webkit2gtk3 +3 | 2.48.1-1.el8_10 | ALSA-2025:3974 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | webkit2gtk3 +2 | 2.48.5-150600.12.43.1 | SUSE-SU-2025:02765-1 |
| SLES 15 SP6 | webkit2gtk3 +2 | 2.48.5-150600.12.43.1 | SUSE-SU-2025:02765-1 |
| SLES 15 SP5 | webkit2gtk3 +2 | 2.48.5-150400.4.122.1 | SUSE-SU-2025:02777-1 |
| SLES 15 SP4 | webkit2gtk3 +2 | 2.48.5-150400.4.122.1 | SUSE-SU-2025:02777-1 |
| SLES 15 SP3 | webkit2gtk3 | 2.48.5-150200.150.1 | SUSE-SU-2025:02766-1 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | webkit2gtk3 | 2.48.5-4.41.1 | SUSE-SU-2025:02973-1 |
| SLES for SAP 15 SP5 | webkit2gtk3 +2 | 2.48.5-150400.4.122.1 | SUSE-SU-2025:02777-1 |
| SLES for SAP 15 SP4 | webkit2gtk3 +2 | 2.48.5-150400.4.122.1 | SUSE-SU-2025:02777-1 |
| SLES for SAP 15 SP3 | webkit2gtk3 | 2.48.5-150200.150.1 | SUSE-SU-2025:02766-1 |
| SLE HPC 15 SP5 | webkit2gtk3 +2 | 2.48.5-150400.4.122.1 | SUSE-SU-2025:02777-1 |
| SLE HPC 15 SP4 | webkit2gtk3 +2 | 2.48.5-150400.4.122.1 | SUSE-SU-2025:02777-1 |
| SLE HPC 15 SP3 | webkit2gtk3 | 2.48.5-150200.150.1 | SUSE-SU-2025:02766-1 |
| SUSE Manager Server LTS 4.3 | webkit2gtk3-soup2 | 2.48.5-150400.4.122.1 | SUSE-SU-2025:02777-1 |
| SUSE Manager Proxy LTS 4.3 | webkit2gtk3-soup2 | 2.48.5-150400.4.122.1 | SUSE-SU-2025:02777-1 |
| SUSE Enterprise Storage 7.1 | webkit2gtk3 | 2.48.5-150200.150.1 | SUSE-SU-2025:02766-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.6 | webkit2gtk3 +2 | 2.48.5-150600.12.43.1 | SUSE-SU-2025:02765-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | webkitgtk4 +3 | 2.48.5-1.amzn2 | ALAS2-2025-2970 |
Advisories 18
- ALSA-2025:3974 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Nov 2, 2026
- WID-SEC-2025-1703 WebKitGTK: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 22, 2026
- RHSA-2025:8194 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:8066 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:8065 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:8064 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:4445 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:3974 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:3756 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:3713 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:3755 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- SUSE-SU-2025:02766-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02765-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02973-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- DSA-5885-1 webkit2gtk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2025:02777-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-0201 Apple macOS, iPadOS und iOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 23, 2025
- ALAS2-2025-2970 Important: webkitgtk4 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 19, 2025