Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.6.1 and iPadOS 15.6.1, macOS Monterey 12.5.1, Safari 15.6.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | Safari | unspecified – < 15.6 | 15.6 |
| Apple | iOS and iPadOS | unspecified – < 15.6 | 15.6 |
| Apple | macOS | unspecified – < 12.5 | 12.5 |
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 | wpewebkit +1 | 2.36.7-1 | — |
| Debian 13 | wpewebkit +1 | 2.36.7-1 | — |
| Debian 12 | wpewebkit +1 | 2.36.7-1 | — |
| Debian 11 | wpewebkit +1 | 2.36.7-1~deb11u1 | DSA-5220-1, DSA-5219-1 |
| Debian 10 | webkit2gtk | 2.36.7-1~deb10u1 | DLA-3087-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 22.04 LTS | webkit2gtk | 2.36.7-0ubuntu0.22.04.1 | USN-5611-1 |
| Ubuntu 22.04 LTS | wpewebkit +1 | No fix yet | — |
| Ubuntu 20.04 LTS | webkit2gtk | 2.36.7-0ubuntu0.20.04.1 | USN-5611-1 |
| Ubuntu 20.04 LTS | wpewebkit +1 | 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 | 2.36.7-1.el9_0 | RHSA-2022:6634 |
| RHEL 8 | webkit2gtk3 +3 | 2.36.7-1.el8_6 | RHSA-2022:6540 |
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 | 2.36.7-1.el9_0 | ALSA-2022:6634 |
| AlmaLinux 8 | webkit2gtk3 +3 | 2.36.7-1.el8_6 | ALSA-2022:6540 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | webkit2gtk3 | 2.36.7-1.el9_0 | RLSA-2022:6634 |
| Rocky Linux 8 | webkit2gtk3 | 2.36.7-1.el8_6 | RLSA-2022:6540 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | webkit2gtk3 +2 | 2.36.7-150400.4.12.1 | SUSE-SU-2022:3137-1 |
| SLES 15 SP3 | webkit2gtk3 | 2.36.7-150200.44.1 | SUSE-SU-2022:3351-1 |
| SLES 15 SP1 | webkit2gtk3 | 2.36.7-150000.3.112.2 | SUSE-SU-2022:3352-1 |
| SLES 15 | webkit2gtk3 | 2.36.7-150000.3.112.2 | SUSE-SU-2022:3352-1 |
| SLES 12 SP5 | webkit2gtk3 | 2.36.7-2.110.1 | SUSE-SU-2022:3136-1 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | webkit2gtk3 | 2.36.7-2.110.1 | SUSE-SU-2022:3136-1 |
| SLES 12 SP3 | webkit2gtk3 | 2.36.7-2.110.1 | SUSE-SU-2022:3136-1 |
| SLES 12 SP2 | webkit2gtk3 | 2.36.7-2.110.1 | SUSE-SU-2022:3136-1 |
| SLES for SAP 15 SP1 | webkit2gtk3 | 2.36.7-150000.3.112.2 | SUSE-SU-2022:3352-1 |
| SLES for SAP 15 | webkit2gtk3 | 2.36.7-150000.3.112.2 | SUSE-SU-2022:3352-1 |
| SLES for SAP 12 SP5 | webkit2gtk3 | 2.36.7-2.110.1 | SUSE-SU-2022:3136-1 |
| SLES for SAP 12 SP4 | webkit2gtk3 | 2.36.7-2.110.1 | SUSE-SU-2022:3136-1 |
| SLE HPC 15 SP1 | webkit2gtk3 | 2.36.7-150000.3.112.2 | SUSE-SU-2022:3352-1 |
| SLE HPC 15 | webkit2gtk3 | 2.36.7-150000.3.112.2 | SUSE-SU-2022:3352-1 |
| SUSE OpenStack Cloud Crowbar 9 | webkit2gtk3 | 2.36.7-2.110.1 | SUSE-SU-2022:3136-1 |
| SUSE OpenStack Cloud 9 | webkit2gtk3 | 2.36.7-2.110.1 | SUSE-SU-2022:3136-1 |
| SUSE Enterprise Storage 6 | webkit2gtk3 | 2.36.7-150000.3.112.2 | SUSE-SU-2022:3352-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | webkit2gtk3 | 2.36.7-150200.44.1 | SUSE-SU-2022:3351-1, SUSE-SU-2022:3137-1 |
| openSUSE Leap 15.4 | webkit2gtk4 +1 | 2.36.7-150400.4.12.1 | SUSE-SU-2022:3137-1 |
| openSUSE Leap 15.3 | webkit2gtk3 | 2.36.7-150200.44.1 | SUSE-SU-2022:3351-1 |
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 | 2.36.7-1.el9_0 | ELSA-2022-6634 |
| Oracle Linux 8 | webkit2gtk3 +3 | 2.36.7-1.el8_6 | ELSA-2022-6540 |
Advisories 18
- ALSA-2022:6634 Moderate: webkit2gtk3 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:6540 Moderate: 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-5611-1 webkit2gtk vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-5219-1 webkit2gtk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-5220-1 wpewebkit - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3087-1 webkit2gtk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RHSA-2022:6634 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Feb 26, 2026
- RHSA-2022:6540 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Feb 26, 2026
- RLSA-2022:6634 Moderate: webkit2gtk3 security update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2022:6540 Moderate: webkit2gtk3 security update Rocky Linux Security Advisories · Feb 5, 2026
- SUSE-SU-2022:3352-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3351-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3136-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3137-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2023-2088 Important: webkitgtk4 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 28, 2024
- ELSA-2022-6540 Moderate: webkit2gtk3 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Sep 22, 2022
- ELSA-2022-6634 Moderate: webkit2gtk3 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Sep 21, 2022
References
- https://support.apple.com/en-us/HT213414
- https://support.apple.com/en-us/HT213412
- https://support.apple.com/en-us/HT213413
- [oss-security] 20220825 WebKitGTK and WPE WebKit Security Advisory WSA-2022-0008 mailing-list
- [oss-security] 20220826 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2022-0008 mailing-list
- FEDORA-2022-eada5f24a0 vendor-advisory
- DSA-5220 vendor-advisory
- DSA-5219 vendor-advisory
- [oss-security] 20220829 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2022-0008 mailing-list
- [oss-security] 20220829 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2022-0008 mailing-list
- [debian-lts-announce] 20220830 [SECURITY] [DLA 3087-1] webkit2gtk security update mailing-list
- GLSA-202208-39 vendor-advisory
- 20220831 APPLE-SA-2022-08-31-1 iOS 12.5.6 mailing-list
- [oss-security] 20220902 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2022-0008 mailing-list
- FEDORA-2022-ddfeee50c9 vendor-advisory
- [oss-security] 20220913 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2022-0008 mailing-list
- 20221030 APPLE-SA-2022-10-27-13 watchOS 9 mailing-list