Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | Safari | < 26.1 | 26.1 |
| Apple | iOS and iPadOS | < 18.7.2, < 26.1 | 18.7.2 |
| Apple | macOS | < 26.1 | 26.1 |
| Apple | tvOS | < 26.1 | 26.1 |
| Apple | visionOS | < 26.1 | 26.1 |
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 | 2.50.2-1 | — |
| Debian 13 | webkit2gtk | 2.50.2-1~deb13u1 | — |
| Debian 13 | wpewebkit | No fix yet | — |
| Debian 12 | webkit2gtk | 2.50.2-1~deb12u1 | — |
| Debian 12 | wpewebkit | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | webkit2gtk | 2.50.2-0ubuntu0.25.10.2 | — |
| Ubuntu 24.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 24.04 LTS | webkit2gtk | 2.50.2-0ubuntu0.24.04.2 | — |
| Ubuntu 22.04 LTS | webkit2gtk | 2.50.2-0ubuntu0.22.04.2 | — |
| 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 8 | webkit2gtk3 +3 | 2.50.3-1.el8_10 | ALSA-2025:22789 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | webkit2gtk3 +2 | 2.52.1-150600.12.63.1 | SUSE-SU-2026:1364-1 |
| SLES 15 SP6 | webkit2gtk3 +2 | 2.52.1-150600.12.63.1 | SUSE-SU-2026:1364-1 |
| SLES 15 SP5 | webkit2gtk3 +2 | 2.52.0-150400.4.137.3 | SUSE-SU-2026:1150-1 |
| SLES 15 SP4 | webkit2gtk3 +2 | 2.52.0-150400.4.137.3 | SUSE-SU-2026:1150-1 |
| SLES 12 SP5 | webkit2gtk3 | 2.52.0-4.54.1 | SUSE-SU-2026:1139-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | webkit2gtk3 +1 | 2.52.1-160000.1.1 | SUSE-SU-2026:21180-1 |
| SLES for SAP 15 SP6 | webkit2gtk3 +2 | 2.52.1-150600.12.63.1 | SUSE-SU-2026:1364-1 |
| SLES for SAP 15 SP5 | webkit2gtk3 +2 | 2.52.0-150400.4.137.3 | SUSE-SU-2026:1150-1 |
| SLES for SAP 15 SP4 | webkit2gtk3 +2 | 2.52.0-150400.4.137.3 | SUSE-SU-2026:1150-1 |
| SLES 16.0 | webkit2gtk3 +1 | 2.52.1-160000.1.1 | SUSE-SU-2026:21180-1 |
| SLE HPC 15 SP5 | webkit2gtk3 +2 | 2.52.0-150400.4.137.3 | SUSE-SU-2026:1150-1 |
| SLE HPC 15 SP4 | webkit2gtk3 +2 | 2.52.0-150400.4.137.3 | SUSE-SU-2026:1150-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | webkit2gtk3 +2 | 2.52.1-160000.1.1 | openSUSE-SU-2026:20518-1 |
| openSUSE Leap 15.6 | webkit2gtk3 +2 | 2.52.1-150600.12.63.1 | SUSE-SU-2026:1364-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | webkitgtk4 +3 | 2.50.4-1.amzn2 | ALAS2-2025-3114 |
Advisories 24
- ALSA-2025:22789 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2026-0782 WebKitGTK: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 28, 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
- WID-SEC-2025-2475 Apple macOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 11, 2026
- openSUSE-SU-2026:20518-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Apr 22, 2026
- SUSE-SU-2026:21180-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Apr 22, 2026
- SUSE-SU-2026:1364-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Apr 16, 2026
- SUSE-SU-2026:1150-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Apr 1, 2026
- SUSE-SU-2026:1139-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 31, 2026
- ALAS2-2025-3114 Important: webkitgtk4 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Mar 23, 2026
- WID-SEC-2025-2473 Apple iOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 22, 2026
- WID-SEC-2025-2480 Apple Safari: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 13, 2025
- NCSC-2025-0352 Kwetsbaarheden verholpen in Apple iOS en iPadOS NCSC-NL (Netherlands) · Nov 4, 2025
- NCSC-2025-0351 Kwetsbaarheden verholpen in Apple MacOS NCSC-NL (Netherlands) · Nov 4, 2025