Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | Safari | < 18.6 | 18.6 |
| Apple | iOS and iPadOS | < 18.6 | 18.6 |
| Apple | macOS | < 15.6 | 15.6 |
| Apple | tvOS | < 18.6 | 18.6 |
| Apple | visionOS | < 2.6 | 2.6 |
| Apple | watchOS | < 11.6 | 11.6 |
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 | 2.48.5-1 | — |
| Debian 13 | webkit2gtk | 2.48.5-1~deb13u1 | DSA-5978-1 |
| Debian 13 | wpewebkit | No fix yet | — |
| Debian 12 | webkit2gtk | 2.48.5-1~deb12u1 | DSA-5978-1 |
| Debian 12 | wpewebkit | No fix yet | — |
| Debian 11 | webkit2gtk | 2.48.5-1~deb11u1 | DLA-4276-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 24.04 LTS | webkit2gtk | 2.48.5-0ubuntu0.24.04.1 | USN-7702-1 |
| Ubuntu 22.04 LTS | webkit2gtk | 2.48.5-0ubuntu0.22.04.1 | USN-7702-1 |
| 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 | 2.48.5-1.el9_6 | RHSA-2025:13782 |
| RHEL 8 | webkit2gtk3 +3 | 2.48.5-1.el8_10 | RHSA-2025:13780 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.4 EUS | webkit2gtk3 +3 | 2.48.5-1.el9_4 | RHSA-2025:14423 |
| RHEL 9.2 E4S | webkit2gtk3 +3 | 2.48.5-1.el9_2 | RHSA-2025:14421 |
| RHEL 9.0 E4S | webkit2gtk3 +3 | 2.48.5-1.el9_0 | RHSA-2025:14422 |
| RHEL 8.8 TUS | webkit2gtk3 +3 | 2.48.5-1.el8_8 | RHSA-2025:14434 |
| RHEL 8.8 E4S | webkit2gtk3 +3 | 2.48.5-1.el8_8 | RHSA-2025:14434 |
| RHEL 8.6 TUS | webkit2gtk3 +3 | 2.48.5-1.el8_6 | RHSA-2025:14433 |
| RHEL 8.6 E4S | webkit2gtk3 +3 | 2.48.5-1.el8_6 | RHSA-2025:14433 |
| RHEL 8.6 AUS | webkit2gtk3 +3 | 2.48.5-1.el8_6 | RHSA-2025:14433 |
| RHEL 8.4 EUS Long Life | webkit2gtk3 +3 | 2.48.5-1.el8_4 | RHSA-2025:14486 |
| RHEL 8.4 AUS | webkit2gtk3 +3 | 2.48.5-1.el8_4 | RHSA-2025:14486 |
| RHEL 8.2 AUS | webkit2gtk3 +3 | 2.48.5-1.el8_2 | RHSA-2025:14432 |
| RHEL 7 ELS | webkitgtk4 +4 | 2.48.5-1.el7_9 | RHSA-2025:15729 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | webkit2gtk3 +3 | 2.48.5-1.el9_6 | ALSA-2025:13782 |
| AlmaLinux 8 | webkit2gtk3 +3 | 2.48.5-1.el8_10 | ALSA-2025:13780 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | webkit2gtk3 | 2.48.5-1.el9_6 | RLSA-2025:13782 |
| Rocky Linux 8 | webkit2gtk3 | 2.48.5-1.el8_10 | RLSA-2025:13780 |
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 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | webkit2gtk3 +3 | 2.48.5-1.el9_6 | ELSA-2025-13782 |
| Oracle Linux 8 | webkit2gtk3 +3 | 2.48.5-1.el8_10 | ELSA-2025-13780 |
Advisories 29
- ALSA-2025:13782 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2025:13780 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2025-1703 WebKitGTK: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 22, 2026
- WID-SEC-2025-1672 Apple macOS Sequoia, Sonoma und Ventura: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 14, 2026
- RHSA-2025:14434 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:13780 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:14432 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:15729 Red Hat Security Advisory: webkitgtk4 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:14486 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:14433 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:14423 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:14421 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:14422 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:13782 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- USN-7702-1 webkit2gtk vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- WID-SEC-2025-1668 Apple iOS und iPadOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 6, 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
- WID-SEC-2025-1683 Apple Safari: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 22, 2026
- DLA-4276-1 webkit2gtk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-5978-1 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
- RLSA-2025:13782 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Oct 7, 2025
- RLSA-2025:13780 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Sep 8, 2025
- ALAS2-2025-2970 Important: webkitgtk4 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 19, 2025
- ELSA-2025-13782 Important: webkit2gtk3 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Aug 13, 2025
- ELSA-2025-13780 Important: webkit2gtk3 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Aug 13, 2025
- NCSC-2025-0238 Kwetsbaarheden verholpen in Apple macOS, iOS en iPadOS NCSC-NL (Netherlands) · Jul 30, 2025