Description
A race condition was addressed with additional validation. This issue affected versions prior toiVersions prior to: OS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | iOS, tvOS, watchOS, Safari, iTunes for Windows, iCloud for Windows | Versions prior to: OS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6 | — |
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 | webkit2gtk | 2.20.4-1 | — |
| Debian 13 | webkit2gtk | 2.20.4-1 | — |
| Debian 12 | webkit2gtk | 2.20.4-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 22.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 20.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 18.04 LTS | webkit2gtk | 2.20.5-0ubuntu0.18.04.1 | USN-3743-1 |
| Ubuntu 18.04 LTS | webkitgtk +2 | No fix yet | — |
| Ubuntu 16.04 LTS | webkit2gtk | 2.20.5-0ubuntu0.16.04.1 | USN-3743-1 |
| Ubuntu 16.04 LTS | webkitgtk +2 | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | webkit2gtk3 | 2.20.5-3.8.1 | SUSE-SU-2018:2752-1 |
| SLES 12 SP4 | webkit2gtk3 | 2.22.4-2.29.3 | SUSE-SU-2019:0059-1 |
| SLES 12 SP3 | webkit2gtk3 | 2.22.4-2.29.3 | SUSE-SU-2019:0059-1 |
| SLES 12 SP2 | webkit2gtk3 | 2.22.4-2.29.3 | SUSE-SU-2019:0059-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP4 | webkit2gtk3 | 2.22.4-2.29.3 | SUSE-SU-2019:0059-1 |
| SLES for SAP 12 SP3 | webkit2gtk3 | 2.22.4-2.29.3 | SUSE-SU-2019:0059-1 |
| SLES for SAP 12 SP2 | webkit2gtk3 | 2.22.4-2.29.3 | SUSE-SU-2019:0059-1 |
| SUSE OpenStack Cloud 7 | webkit2gtk3 | 2.22.4-2.29.3 | SUSE-SU-2019:0059-1 |
| SUSE Enterprise Storage 4 | webkit2gtk3 | 2.22.4-2.29.3 | SUSE-SU-2019:0059-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.8 | webkit2gtk | 2.20.4-r0 | — |
Advisories 3
- USN-3743-1 webkit2gtk vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2018:2752-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0059-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026