Description
An out-of-bounds read was addressed with improved input validation. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing web content may disclose sensitive information. Apple is aware of a report that this issue may have been actively exploited.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | macOS | unspecified – < 13.4 | 13.4 |
| Apple | Safari | unspecified – < 16.5 | 16.5 |
| Apple | watchOS | unspecified – < 9.5 | 9.5 |
| Apple | iOS and iPadOS | unspecified – < 15.7, unspecified – < 16.5 | 15.7 |
| Apple | tvOS | unspecified – < 16.5 | 16.5 |
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 | 2.40.2-1 | — |
| Debian 14 | wpewebkit | 2.40.2-2 | — |
| Debian 13 | webkit2gtk | 2.40.2-1 | — |
| Debian 13 | wpewebkit | 2.40.2-2 | — |
| Debian 12 | webkit2gtk | 2.40.2-1~deb12u1 | DSA-5427-1 |
| Debian 12 | wpewebkit | No fix yet | — |
| Debian 11 | webkit2gtk | 2.40.2-1~deb11u1 | DSA-5427-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 22.04 LTS | webkit2gtk | 2.40.4-0ubuntu0.22.04.1 | USN-6264-1 |
| 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 | 2.38.5-1.el9_2.2 | RHSA-2023:3432 |
| RHEL 8 | webkit2gtk3 +3 | 2.38.5-1.el8_8.4 | RHSA-2023:3433 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 ELS | webkitgtk4 +4 | 2.48.3-2.el7_9 | RHSA-2025:10364 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | webkit2gtk3 +3 | 2.38.5-1.el9_2.2 | ALSA-2023:3432 |
| AlmaLinux 8 | webkit2gtk3 +3 | 2.38.5-1.el8_8.4 | ALSA-2023:3433 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | webkit2gtk3 | 2.38.5-1.el9_2.2 | RLSA-2023:3432 |
| Rocky Linux 8 | webkit2gtk3 | 2.38.5-1.el8_8.4 | RLSA-2023:3433 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | webkit2gtk3 +2 | 2.38.6-150400.4.42.4 | SUSE-SU-2023:2647-1 |
| SLES 15 SP4 | webkit2gtk3 +2 | 2.38.6-150400.4.42.4 | SUSE-SU-2023:2647-1 |
| SLES 15 SP3 | webkit2gtk3 | 2.38.6-150200.75.2 | SUSE-SU-2023:2607-1 |
| SLES 15 SP2 | webkit2gtk3 | 2.38.6-150200.75.2 | SUSE-SU-2023:2607-1 |
| SLES 15 SP1 | webkit2gtk3 | 2.40.5-150000.3.144.1 | SUSE-SU-2023:3300-1 |
Show 18 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | webkit2gtk3 | 2.38.6-2.139.1 | SUSE-SU-2023:2606-1 |
| SLES 12 SP4 | webkit2gtk3 | 2.38.6-2.139.1 | SUSE-SU-2023:2606-1 |
| SLES 12 SP2 | webkit2gtk3 | 2.38.6-2.139.1 | SUSE-SU-2023:2606-1 |
| SLES for SAP 15 SP3 | webkit2gtk3 | 2.38.6-150200.75.2 | SUSE-SU-2023:2607-1 |
| SLES for SAP 15 SP2 | webkit2gtk3 | 2.38.6-150200.75.2 | SUSE-SU-2023:2607-1 |
| SLES for SAP 15 SP1 | webkit2gtk3 | 2.40.5-150000.3.144.1 | SUSE-SU-2023:3300-1 |
| SLES for SAP 12 SP5 | webkit2gtk3 | 2.38.6-2.139.1 | SUSE-SU-2023:2606-1 |
| SLES for SAP 12 SP4 | webkit2gtk3 | 2.38.6-2.139.1 | SUSE-SU-2023:2606-1 |
| SLE Real Time 15 SP3 | webkit2gtk3 | 2.38.6-150200.75.2 | SUSE-SU-2023:2607-1 |
| SLE HPC 15 SP3 | webkit2gtk3 | 2.38.6-150200.75.2 | SUSE-SU-2023:2607-1 |
| SLE HPC 15 SP2 | webkit2gtk3 | 2.38.6-150200.75.2 | SUSE-SU-2023:2607-1 |
| SLE HPC 15 SP1 | webkit2gtk3 | 2.40.5-150000.3.144.1 | SUSE-SU-2023:3300-1 |
| SUSE OpenStack Cloud Crowbar 9 | webkit2gtk3 | 2.38.6-2.139.1 | SUSE-SU-2023:2606-1 |
| SUSE OpenStack Cloud 9 | webkit2gtk3 | 2.38.6-2.139.1 | SUSE-SU-2023:2606-1 |
| SUSE Manager Server 4.2 | webkit2gtk3 | 2.38.6-150200.75.2 | SUSE-SU-2023:2607-1 |
| SUSE Manager Proxy 4.2 | webkit2gtk3 | 2.38.6-150200.75.2 | SUSE-SU-2023:2607-1 |
| SUSE Enterprise Storage 7.1 | webkit2gtk3 | 2.38.6-150200.75.2 | SUSE-SU-2023:2607-1 |
| SUSE Enterprise Storage 7 | webkit2gtk3 | 2.38.6-150200.75.2 | SUSE-SU-2023:2607-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | webkit2gtk3 +2 | 2.38.6-150400.4.42.4 | SUSE-SU-2023:2647-1 |
| openSUSE Leap 15.4 | webkit2gtk3 | 2.38.6-150200.75.2 | SUSE-SU-2023:2647-1, SUSE-SU-2023:2607-1 |
| openSUSE Leap 15.4 | webkit2gtk4 +1 | 2.38.6-150400.4.42.4 | SUSE-SU-2023:2647-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | webkitgtk4 +3 | 2.38.5-3.amzn2.0.1 | ALAS2-2023-2088 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | webkit2gtk3 +3 | 2.38.5-1.el9_2.2 | ELSA-2023-3432 |
| Oracle Linux 8 | webkit2gtk3 +3 | 2.38.5-1.el8_8.4 | ELSA-2023-3433 |
Advisories 19
- ALSA-2023:3432 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2023:3433 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2025:10364 Red Hat Security Advisory: webkitgtk4 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- USN-6264-1 webkit2gtk vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-5427-1 webkit2gtk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2023:3432 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Feb 4, 2026
- RLSA-2023:3433 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2023:2606-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2647-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2607-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3300-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2023:3433 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2023:3432 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- ALAS2-2023-2088 Important: webkitgtk4 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 28, 2024
- WID-SEC-2023-1251 Apple macOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 19, 2024
- WID-SEC-2023-1252 Apple iOS/iPadOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 7, 2023
- ELSA-2023-3432 Important: webkit2gtk3 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jun 6, 2023
- ELSA-2023-3433 Important: webkit2gtk3 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jun 6, 2023
- WID-SEC-2023-1246 Apple Safari: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 18, 2023