Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | Safari | < 26 | 26 |
| Apple | iOS and iPadOS | < 26 | 26 |
| Apple | macOS | < 26 | 26 |
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 | 2.50.0-1 | — |
| Debian 13 | webkit2gtk | 2.50.1-1~deb13u1 | DSA-6042-1 |
| Debian 13 | wpewebkit | No fix yet | — |
| Debian 12 | webkit2gtk | 2.50.1-1~deb12u1 | DSA-6042-1 |
| Debian 12 | wpewebkit | No fix yet | — |
| Debian 11 | webkit2gtk | 2.50.1-1~deb11u1 | DLA-4375-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | webkit2gtk | 2.50.0-2ubuntu1 | — |
| Ubuntu 24.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 24.04 LTS | webkit2gtk | 2.48.7-0ubuntu0.24.04.2 | USN-7817-1 |
| Ubuntu 22.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 22.04 LTS | webkit2gtk | 2.48.7-0ubuntu0.22.04.2 | USN-7817-1 |
| Ubuntu 20.04 LTS | webkit2gtk +1 | No fix yet | — |
| Ubuntu 18.04 LTS | webkitgtk +3 | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | webkitgtk +3 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | webkit2gtk3 +3 | 2.50.1-0.el9_6 | RHSA-2025:20922, RHSA-2025:18097 |
| RHEL 8 | webkit2gtk3 +3 | 2.50.0-1.el8_10 | RHSA-2025:17802 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.4 EUS | webkit2gtk3 +3 | 2.50.0-2.el9_4 | RHSA-2025:17741 |
| RHEL 9.2 E4S | webkit2gtk3 +3 | 2.50.0-2.el9_2 | RHSA-2025:17743 |
| RHEL 9.0 E4S | webkit2gtk3 +3 | 2.50.0-2.el9_0 | RHSA-2025:17643 |
| RHEL 8.8 TUS | webkit2gtk3 +3 | 2.50.0-1.el8_8.1 | RHSA-2025:17807 |
| RHEL 8.8 E4S | webkit2gtk3 +3 | 2.50.0-1.el8_8.1 | RHSA-2025:17807 |
| RHEL 8.6 TUS | webkit2gtk3 +3 | 2.50.0-1.el8_6 | RHSA-2025:19109 |
| RHEL 8.6 E4S | webkit2gtk3 +3 | 2.50.0-1.el8_6 | RHSA-2025:19109 |
| RHEL 8.6 AUS | webkit2gtk3 +3 | 2.50.0-1.el8_6 | RHSA-2025:19109 |
| RHEL 8.4 EUS Long Life | webkit2gtk3 +3 | 2.50.0-1.el8_4 | RHSA-2025:19165 |
| RHEL 8.4 AUS | webkit2gtk3 +3 | 2.50.0-1.el8_4 | RHSA-2025:19165 |
| RHEL 8.2 AUS | webkit2gtk3 +3 | 2.50.0-1.el8_2 | RHSA-2025:19157 |
| RHEL 7 ELS | webkitgtk4 +4 | 2.50.0-1.el7_9 | RHSA-2025:19352 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | webkit2gtk3 +3 | 2.50.1-0.el9_6 | ALSA-2025:20922, ALSA-2025:18097 |
| AlmaLinux 8 | webkit2gtk3 +3 | 2.50.0-1.el8_10 | ALSA-2025:17802 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | webkit2gtk3 | 2.50.1-0.el9_6 | RLSA-2025:20922, RLSA-2025:18097 |
| Rocky Linux 8 | webkit2gtk3 | 2.50.0-1.el8_10 | RLSA-2025:17802 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | webkit2gtk3 +2 | 2.50.1-150600.12.48.3 | SUSE-SU-2025:3701-1 |
| SLES 15 SP6 | webkit2gtk3 +2 | 2.50.1-150600.12.48.3 | SUSE-SU-2025:3701-1 |
| SLES 15 SP5 | webkit2gtk3 +2 | 2.50.1-150400.4.127.3 | SUSE-SU-2026:1150-1, SUSE-SU-2025:3700-1 |
| SLES 15 SP4 | webkit2gtk3 +2 | 2.50.1-150400.4.127.3 | SUSE-SU-2026:1150-1, SUSE-SU-2025:3700-1 |
| SLES 12 SP5 | webkit2gtk3 | 2.50.1-4.44.1 | SUSE-SU-2026:1139-1, SUSE-SU-2025:3905-1 |
Show 8 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 SP5 | webkit2gtk3 +2 | 2.50.1-150400.4.127.3 | SUSE-SU-2026:1150-1, SUSE-SU-2025:3700-1 |
| SLES for SAP 15 SP4 | webkit2gtk3 +2 | 2.50.1-150400.4.127.3 | SUSE-SU-2026:1150-1, SUSE-SU-2025:3700-1 |
| SLES 16.0 | webkit2gtk3 +1 | 2.50.4-160000.1.1 | SUSE-SU-2026:20102-1 |
| SLE HPC 15 SP5 | webkit2gtk3 +2 | 2.50.1-150400.4.127.3 | SUSE-SU-2026:1150-1, SUSE-SU-2025:3700-1 |
| SLE HPC 15 SP4 | webkit2gtk3 +2 | 2.50.1-150400.4.127.3 | SUSE-SU-2026:1150-1, SUSE-SU-2025:3700-1 |
| SUSE Manager Server LTS 4.3 | webkit2gtk3-soup2 | 2.50.1-150400.4.127.3 | SUSE-SU-2025:3700-1 |
| SUSE Manager Proxy LTS 4.3 | webkit2gtk3-soup2 | 2.50.1-150400.4.127.3 | SUSE-SU-2025:3700-1 |
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 | 2.50.1-150600.12.48.3 | SUSE-SU-2025:3701-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | webkitgtk4 +3 | 2.48.7-1.amzn2 | ALAS2-2025-3059, ALAS2-2025-3029 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | webkit2gtk3 +3 | 2.50.1-0.el9_6 | ELSA-2025-20922, ELSA-2025-18097 |
| Oracle Linux 8 | webkit2gtk3 +3 | 2.50.0-1.el8_10 | ELSA-2025-17802 |
Advisories 43
- ALSA-2025:17802 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Nov 6, 2026
- ALSA-2025:20922 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2025:18097 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2025-2063 Apple macOS Sequoia, Sonoma und Tahoe: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 11, 2026
- WID-SEC-2026-0164 Oracle Java SE: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 3, 2026
- WID-SEC-2025-2104 WebKitGTK: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 3, 2026
- RHSA-2025:19165 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2025:19352 Red Hat Security Advisory: webkitgtk4 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2025:19157 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2025:19109 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2025:18097 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2025:17807 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2025:17743 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2025:17802 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2025:17741 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2025:17643 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Sep 1, 2026
- RHSA-2025:20922 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- ICSA-26-134-10 Siemens SIMATIC CISA ICS & IT advisories · May 14, 2026
- NCSC-2026-0147 Kwetsbaarheden verholpen in Siemens-producten NCSC-NL (Netherlands) · May 13, 2026
- SSA-032379 SSA-032379: Multiple Vulnerabilities in SIMATIC CN 4100 Before V5.0 Siemens ProductCERT · May 12, 2026
- USN-7817-1 webkit2gtk vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2026:1150-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Apr 1, 2026
- SUSE-SU-2026:1139-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 31, 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-2025:3905-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- DSA-6042-1 webkit2gtk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2025:3701-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- NCSC-2026-0030 Kwetsbaarheden verholpen in Oracle Java NCSC-NL (Netherlands) · Jan 21, 2026
- ELSA-2025-20922 Important: webkit2gtk3 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 25, 2025
- RLSA-2025:20922 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Nov 21, 2025
- DLA-4375-1 webkit2gtk - security update Debian Security (DSA / DLA) · Nov 20, 2025
- ALAS2-2025-3059 Important: webkitgtk4 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Nov 10, 2025
- WID-SEC-2025-2058 Apple Safari: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 4, 2025
- RLSA-2025:18097 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Oct 28, 2025
- SUSE-SU-2025:3700-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Oct 22, 2025
- ELSA-2025-18097 Important: webkit2gtk3 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Oct 20, 2025
- RLSA-2025:17802 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Oct 16, 2025
- ALAS2-2025-3029 Moderate: webkitgtk4 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 14, 2025
- ELSA-2025-17802 Important: webkit2gtk3 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Oct 13, 2025
- WID-SEC-2025-2061 Apple iOS und iPadOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 16, 2025
- NCSC-2025-0291 Kwetsbaarheden verholpen in Apple iOS en iPadOS NCSC-NL (Netherlands) · Sep 16, 2025
- NCSC-2025-0290 Kwetsbaarheden verholpen in Apple macOS NCSC-NL (Netherlands) · Sep 16, 2025