Description
A use-after-free vulnerability exists in the MediaRecorder API of Webkit WebKitGTK 2.40.5. A specially crafted web page can abuse this vulnerability to cause memory corruption and potentially arbitrary code execution. A user would need to to visit a malicious webpage to trigger this vulnerability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Webkit | Webkit | WebKitGTK 2.40.5 | — |
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 | 2.42.0-1 | — |
| 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 | USN-6426-1 |
| 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 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 | 2.42.5-1.el9 | ALSA-2024:2126 |
| AlmaLinux 8 | webkit2gtk3 +3 | 2.42.5-1.el8 | ALSA-2024:2982 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | webkit2gtk3 | 2.42.5-1.el8 | RLSA-2024:2982 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | webkit2gtk3 +1 | 2.42.1-150400.4.57.2 | SUSE-SU-2024:0004-1, SUSE-SU-2023:4294-1 |
| SLES 15 SP5 | webkit2gtk4 | 2.42.1-150400.4.57.3 | SUSE-SU-2024:0004-1, SUSE-SU-2023:4294-1 |
| SLES 15 SP4 | webkit2gtk3 +1 | 2.42.1-150400.4.57.2 | SUSE-SU-2024:0004-1, SUSE-SU-2023:4294-1 |
| SLES 15 SP4 | webkit2gtk4 | 2.42.1-150400.4.57.3 | SUSE-SU-2024:0004-1, SUSE-SU-2023:4294-1 |
| SLES 15 SP3 | webkit2gtk3 | 2.42.1-150200.87.4 | SUSE-SU-2024:0003-1, SUSE-SU-2023:4339-1 |
| SLES 15 SP2 | webkit2gtk3 | 2.42.1-150200.87.4 | SUSE-SU-2024:0003-1, SUSE-SU-2023:4339-1 |
| SLES 15 SP1 | webkit2gtk3 | 2.42.1-150000.3.153.1 | SUSE-SU-2024:0002-1, SUSE-SU-2023:4211-1 |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | webkit2gtk3 | 2.42.1-2.155.1 | SUSE-SU-2023:4978-1, SUSE-SU-2023:4209-1 |
| SLES for SAP 15 SP4 | webkit2gtk3 +2 | 2.42.4-150400.4.70.3 | SUSE-SU-2024:0004-1 |
| SLES for SAP 15 SP3 | webkit2gtk3 | 2.42.1-150200.87.4 | SUSE-SU-2024:0003-1, SUSE-SU-2023:4339-1 |
| SLES for SAP 15 SP2 | webkit2gtk3 | 2.42.1-150200.87.4 | SUSE-SU-2024:0003-1, SUSE-SU-2023:4339-1 |
| SLES for SAP 15 SP1 | webkit2gtk3 | 2.42.1-150000.3.153.1 | SUSE-SU-2024:0002-1, SUSE-SU-2023:4211-1 |
| SLES for SAP 12 SP5 | webkit2gtk3 | 2.42.1-2.155.1 | SUSE-SU-2023:4978-1, SUSE-SU-2023:4209-1 |
| SLE Real Time 15 SP4 | webkit2gtk3 +2 | 2.42.4-150400.4.70.3 | SUSE-SU-2024:0004-1 |
| SLE HPC 15 SP4 | webkit2gtk3 +2 | 2.42.4-150400.4.70.3 | SUSE-SU-2024:0004-1 |
| SLE HPC 15 SP3 | webkit2gtk3 | 2.42.1-150200.87.4 | SUSE-SU-2024:0003-1, SUSE-SU-2023:4339-1 |
| SLE HPC 15 SP2 | webkit2gtk3 | 2.42.1-150200.87.4 | SUSE-SU-2024:0003-1, SUSE-SU-2023:4339-1 |
| SLE HPC 15 SP1 | webkit2gtk3 | 2.42.1-150000.3.153.1 | SUSE-SU-2024:0002-1, SUSE-SU-2023:4211-1 |
| SUSE Manager Server 4.3 | webkit2gtk3-soup2 | 2.42.4-150400.4.70.3 | SUSE-SU-2024:0004-1 |
| SUSE Manager Server 4.2 | webkit2gtk3 | 2.42.1-150200.87.4 | SUSE-SU-2023:4339-1 |
| SUSE Manager Proxy 4.3 | webkit2gtk3-soup2 | 2.42.4-150400.4.70.3 | SUSE-SU-2024:0004-1 |
| SUSE Manager Proxy 4.2 | webkit2gtk3 | 2.42.1-150200.87.4 | SUSE-SU-2023:4339-1 |
| SUSE Enterprise Storage 7.1 | webkit2gtk3 | 2.42.1-150200.87.4 | SUSE-SU-2024:0003-1, SUSE-SU-2023:4339-1 |
| SUSE Enterprise Storage 7 | webkit2gtk3 | 2.42.1-150200.87.4 | SUSE-SU-2023:4339-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | webkit2gtk3 +1 | 2.42.1-150400.4.57.2 | SUSE-SU-2024:0004-1, SUSE-SU-2023:4294-1 |
| openSUSE Leap 15.5 | webkit2gtk4 | 2.42.1-150400.4.57.3 | SUSE-SU-2024:0004-1, SUSE-SU-2023:4294-1 |
| openSUSE Leap 15.4 | webkit2gtk3 +1 | 2.42.1-150400.4.57.2 | SUSE-SU-2024:0004-1, SUSE-SU-2023:4294-1 |
| openSUSE Leap 15.4 | webkit2gtk4 | 2.42.1-150400.4.57.3 | SUSE-SU-2024:0004-1, SUSE-SU-2023:4294-1 |
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 | 2.42.5-1.el9 | ELSA-2024-2126 |
| Oracle Linux 8 | webkit2gtk3 +3 | 2.42.5-1.el8 | ELSA-2024-2982 |
Advisories 21
- ALSA-2024:2982 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Nov 5, 2026
- ALSA-2024:2126 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-6426-1 webkit2gtk vulnerabilities Ubuntu Security Notices (USN) · Oct 8, 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
- DSA-5527-1 webkit2gtk - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2024:2982 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2023:4209-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4978-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4211-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0004-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4339-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0002-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0003-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2024-2427 Important: webkitgtk4 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Dec 18, 2025
- WID-SEC-2024-1213 Red Hat Enterprise Linux: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 4, 2025
- SUSE-SU-2023:4294-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2024-2982 Important: webkit2gtk3 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 23, 2024
- ELSA-2024-2126 Important: webkit2gtk3 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 2, 2024
- WID-SEC-2023-2705 IGEL OS: Mehrere Schwachstellen ermöglichen Codeausführung BSI CERT-Bund (WID) · Oct 17, 2023
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1831
- https://webkitgtk.org/security/WSA-2023-0009.html
- https://www.debian.org/security/2023/dsa-5527
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EEMDC5TQAANFH5D77QM34ZTUKXPFGVL/
- https://security.gentoo.org/glsa/202401-33