Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | macOS | unspecified – < 13.5 | 13.5 |
| Apple | iOS and iPadOS | unspecified – < 16.6, unspecified – < 15.8.7 | 16.6 |
| Apple | Safari | unspecified – < 16.6 | 16.6 |
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 | 2.42.0-1 | — |
| Debian 13 | wpewebkit +1 | 2.42.0-1 | — |
| Debian 12 | webkit2gtk | 2.42.1-1~deb12u1 | DSA-5527-1 |
| Debian 12 | wpewebkit | No fix yet | — |
| Debian 11 | webkit2gtk | 2.42.1-1~deb11u1 | DSA-5527-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 22.04 LTS | webkit2gtk | 2.42.1-0ubuntu0.22.04.1 | — |
| 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 | 2.42.5-1.el9 | RHSA-2024:2126 |
| RHEL 8 | webkit2gtk3 +3 | 2.42.5-1.el8 | RHSA-2024:2982 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.2 EUS | webkit2gtk3 +3 | 2.46.1-1.el9_2 | RHSA-2024:8492 |
| RHEL 9.0 E4S | webkit2gtk3 +3 | 2.46.1-1.el9_0 | RHSA-2024:8496 |
| RHEL 8.8 EUS | webkit2gtk3 +3 | 2.46.3-1.el8_8 | RHSA-2024:9646 |
| RHEL 8.6 TUS | webkit2gtk3 +3 | 2.46.3-1.el8_6 | RHSA-2024:9653 |
| RHEL 8.6 E4S | webkit2gtk3 +3 | 2.46.3-1.el8_6 | RHSA-2024:9653 |
| RHEL 8.6 AUS | webkit2gtk3 +3 | 2.46.3-1.el8_6 | RHSA-2024:9653 |
| RHEL 8.4 TUS | webkit2gtk3 +3 | 2.46.3-1.el8_4 | RHSA-2024:9679 |
| RHEL 8.4 E4S | webkit2gtk3 +3 | 2.46.3-1.el8_4 | RHSA-2024:9679 |
| RHEL 8.4 AUS | webkit2gtk3 +3 | 2.46.3-1.el8_4 | RHSA-2024:9679 |
| RHEL 8.2 AUS | webkit2gtk3 +3 | 2.46.3-1.el8_2 | RHSA-2024:9680 |
| 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 | 2.50.3-1.el9_7 | ALSA-2025:22790 |
| AlmaLinux 8 | webkit2gtk3 +3 | 2.42.5-1.el8 | ALSA-2025:22789, ALSA-2024:2982 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | webkit2gtk3 | 2.50.3-1.el9_7 | RLSA-2025:22790 |
| Rocky Linux 8 | webkit2gtk3 | 2.50.3-1.el8_10 | RLSA-2025:22789 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | webkit2gtk3 +2 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 |
| SLES 15 SP6 | webkit2gtk3 +2 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 |
| SLES 15 SP5 | webkit2gtk3 +2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
| SLES 15 SP4 | webkit2gtk3 +2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
| SLES 12 SP5 | webkit2gtk3 | 2.50.3-4.47.1 | SUSE-SU-2025:4423-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | webkit2gtk3 +1 | 2.50.4-160000.1.1 | SUSE-SU-2026:20102-1 |
| SLES for SAP 15 SP6 | webkit2gtk3 +2 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 |
| SLES for SAP 15 SP5 | webkit2gtk3 +2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
| SLES for SAP 15 SP4 | webkit2gtk3 +2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
| SLES 16.0 | webkit2gtk3 +1 | 2.50.4-160000.1.1 | SUSE-SU-2026:20102-1 |
| SLE HPC 15 SP5 | webkit2gtk3 +2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
| SLE HPC 15 SP4 | webkit2gtk3 +2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
| SUSE Manager Server LTS 4.3 | webkit2gtk3-soup2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
| SUSE Manager Proxy LTS 4.3 | webkit2gtk3-soup2 | 2.50.3-150400.4.130.4 | SUSE-SU-2025:4416-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | webkit2gtk3 +2 | 2.50.4-160000.1.1 | openSUSE-SU-2026:20065-1 |
| openSUSE Leap 15.6 | webkit2gtk3 +2 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | webkitgtk4 +3 | 2.42.3-3.amzn2.0.1 | ALAS2-2024-2427 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | webkit2gtk3 +3 | 2.50.3-1.el9_7 | ELSA-2025-22790 |
| Oracle Linux 8 | webkit2gtk3 +3 | 2.50.3-1.el8_10 | ELSA-2025-22789 |
Advisories 26
- ALSA-2024:2982 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Nov 5, 2026
- ALSA-2025:22790 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2025:22789 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
- RHSA-2024:9680 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2024:9679 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2024:9646 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2024:9653 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2024:8492 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2024:8496 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2024:2982 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Aug 27, 2026
- RHSA-2024:2126 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Aug 27, 2026
- WID-SEC-2025-2657 WebKitGTK: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 30, 2026
- openSUSE-SU-2026:20065-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20102-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0021-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:4423-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:4416-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- NCSC-2026-0098 Kwetsbaarheden verholpen in Apple iOS en iPadOS NCSC-NL (Netherlands) · Mar 13, 2026
- WID-SEC-2026-0705 Apple iOS und iPadOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 12, 2026
- DSA-5527-1 webkit2gtk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- ALAS2-2024-2427 Important: webkitgtk4 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Dec 18, 2025
- RLSA-2025:22790 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Dec 9, 2025
- RLSA-2025:22789 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Dec 9, 2025
- ELSA-2025-22790 Important: webkit2gtk3 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Dec 8, 2025
- ELSA-2025-22789 Important: webkit2gtk3 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Dec 8, 2025