Description
The issue was addressed with improved input validation. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | Safari | < 26.6.1 | 26.6.1 |
| Apple | iOS and iPadOS | < 18.7.10, < 26.6.1 | 18.7.10 |
| Apple | macOS | < 26.6.2 | 26.6.2 |
| Apple | visionOS | < 27 | 27 |
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 | No fix yet | — |
| Debian 14 | wpewebkit | 2.54.0-1 | — |
| Debian 13 | webkit2gtk | 2.54.0-1~deb13u1 | — |
| Debian 13 | wpewebkit | No fix yet | — |
| Debian 12 | wpewebkit +1 | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | webkit2gtk3 | 2.54.1-150600.12.81.3 | SUSE-SU-2026:4858-1 |
| SLES 15 SP7 | webkit2gtk4 +1 | 2.54.1-150600.12.81.4 | SUSE-SU-2026:4858-1 |
| SLES 15 SP6 | webkit2gtk3 | 2.54.1-150600.12.81.3 | SUSE-SU-2026:4858-1 |
| SLES 15 SP6 | webkit2gtk4 +1 | 2.54.1-150600.12.81.4 | SUSE-SU-2026:4858-1 |
| SLES 15 SP5 | webkit2gtk3 +2 | 2.54.1-150400.4.152.2 | SUSE-SU-2026:4676-1 |
| SLES 15 SP4 | webkit2gtk3 +2 | 2.54.1-150400.4.152.2 | SUSE-SU-2026:4676-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | webkit2gtk3 +1 | 2.54.1-160000.1.1 | SUSE-SU-2026:24225-1 |
| SLES for SAP 15 SP6 | webkit2gtk3 | 2.54.1-150600.12.81.3 | SUSE-SU-2026:4858-1 |
| SLES for SAP 15 SP6 | webkit2gtk4 +1 | 2.54.1-150600.12.81.4 | SUSE-SU-2026:4858-1 |
| SLES for SAP 15 SP5 | webkit2gtk3 +2 | 2.54.1-150400.4.152.2 | SUSE-SU-2026:4676-1 |
| SLES for SAP 15 SP4 | webkit2gtk3 +2 | 2.54.1-150400.4.152.2 | SUSE-SU-2026:4676-1 |
| SLES 16.0 | webkit2gtk3 +1 | 2.54.1-160000.1.1 | SUSE-SU-2026:24225-1 |
| SLE HPC 15 SP5 | webkit2gtk3 +2 | 2.54.1-150400.4.152.2 | SUSE-SU-2026:4676-1 |
| SLE HPC 15 SP4 | webkit2gtk3 +2 | 2.54.1-150400.4.152.2 | SUSE-SU-2026:4676-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | webkit2gtk3 +2 | 2.54.1-160000.1.1 | openSUSE-SU-2026:22076-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | webkitgtk4 +3 | 2.54.0-1.amzn2.0.1 | ALAS2-2026-3987 |
Advisories 9
- WID-SEC-2026-3625 WebKitGTK: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2026
- SUSE-SU-2026:4858-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Oct 22, 2026
- SUSE-SU-2026:24225-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Oct 21, 2026
- openSUSE-SU-2026:22076-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Oct 19, 2026
- SUSE-SU-2026:4676-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Oct 15, 2026
- ALAS2-2026-3987 Important: webkitgtk4 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 12, 2026
- WID-SEC-2026-2872 Apple Safari, macOS, iOS und iPadOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 14, 2026
- NCSC-2026-0319 Kwetsbaarheden verholpen in Apple iOS en iPadOS NCSC-NL (Netherlands) · Aug 20, 2026
- NCSC-2026-0317 Kwetsbaarheden verholpen in Apple macOS NCSC-NL (Netherlands) · Aug 20, 2026