Description
The issue was addressed with improved memory handling. 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.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | webkit2gtk3 +3 | 2.54.0-1.el9_8 | RHSA-2026:69098 |
| RHEL 8 | webkit2gtk3 +3 | 2.54.0-1.el8_10 | RHSA-2026:74084 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | webkit2gtk3 +3 | 2.54.0-1.el9_8 | ALSA-2026:69098 |
| AlmaLinux 8 | webkit2gtk3 +3 | 2.54.0-1.el8_10 | ALSA-2026:74084 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | webkit2gtk3 | 2.54.0-1.el9_8 | RLSA-2026:69098 |
| Rocky Linux 8 | webkit2gtk3 | 2.54.0-1.el8_10 | RLSA-2026:74084 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | webkit2gtk3 +3 | 2.54.0-1.el9_8 | ELSA-2026-69098 |
| Oracle Linux 8 | webkit2gtk3 +3 | 2.54.0-1.el8_10 | ELSA-2026-74084 |
Advisories 11
- ALSA-2026:74084 Critical: webkit2gtk3 security update AlmaLinux Security Advisories · Nov 6, 2026
- ALSA-2026:69098 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2026:69098 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:74084 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RLSA-2026:74084 Critical: webkit2gtk3 security update Rocky Linux Security Advisories · Oct 1, 2026
- ELSA-2026-74084 Critical: webkit2gtk3 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Oct 1, 2026
- RLSA-2026:69098 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Sep 22, 2026
- ELSA-2026-69098 Important: webkit2gtk3 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Sep 21, 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