CVE-2025-31277
gir1.2-javascriptcoregtk-4.0: The issue was addressed with improved memory handling
CVE-2025-31277 is fixed in 24 products on 1 platform, first by DEBIAN-CVE-2025-31277, released July 30, 2025. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on March 20, 2026. Patch Radar priority: Patch now.
Patch nowCISA KEV
CVSS
8.8
High
Exploitation
Exploited
Listed by CISA
CISA KEV
Mar 20, 2026
Federal due date Apr 3, 2026
EPSS
0.0168
77th percentile
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gir1.2-javascriptcoregtk-4.0 · Ubuntu 22.04.1 LTS (jammy) | 2.50.1-0ubuntu0.22.04.1 | gir1.2-javascriptcoregtk-4.0 2.50.1-0ubuntu0.22.04.1 | Nov 3, 2025 |
| gir1.2-javascriptcoregtk-4.1 · Ubuntu 22.04.1 LTS (jammy) | 2.50.1-0ubuntu0.22.04.1 | gir1.2-javascriptcoregtk-4.1 2.50.1-0ubuntu0.22.04.1 | Nov 3, 2025 |
| gir1.2-javascriptcoregtk-4.1 · Ubuntu 24.04.5 LTS (noble) | 2.50.1-0ubuntu0.24.04.1 | gir1.2-javascriptcoregtk-4.1 2.50.1-0ubuntu0.24.04.1 | Nov 3, 2025 |
| gir1.2-javascriptcoregtk-4.1 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | gir1.2-javascriptcoregtk-4.1 2.50.0-2ubuntu1 | Sep 15, 2025 |
| gir1.2-javascriptcoregtk-6.0 · Ubuntu 22.04.1 LTS (jammy) | 2.50.1-0ubuntu0.22.04.1 | gir1.2-javascriptcoregtk-6.0 2.50.1-0ubuntu0.22.04.1 | Nov 3, 2025 |
| gir1.2-javascriptcoregtk-6.0 · Ubuntu 24.04.5 LTS (noble) | 2.50.1-0ubuntu0.24.04.1 | gir1.2-javascriptcoregtk-6.0 2.50.1-0ubuntu0.24.04.1 | Nov 3, 2025 |
| gir1.2-javascriptcoregtk-6.0 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | gir1.2-javascriptcoregtk-6.0 2.50.0-2ubuntu1 | Sep 15, 2025 |
| gir1.2-webkit-6.0 · Ubuntu 22.04.1 LTS (jammy) | 2.50.1-0ubuntu0.22.04.1 | gir1.2-webkit-6.0 2.50.1-0ubuntu0.22.04.1 | Nov 3, 2025 |
| gir1.2-webkit-6.0 · Ubuntu 24.04.5 LTS (noble) | 2.50.1-0ubuntu0.24.04.1 | gir1.2-webkit-6.0 2.50.1-0ubuntu0.24.04.1 | Nov 3, 2025 |
| gir1.2-webkit-6.0 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | gir1.2-webkit-6.0 2.50.0-2ubuntu1 | Sep 15, 2025 |
| gir1.2-webkit2-4.0 · Ubuntu 22.04.1 LTS (jammy) | 2.50.1-0ubuntu0.22.04.1 | gir1.2-webkit2-4.0 2.50.1-0ubuntu0.22.04.1 | Nov 3, 2025 |
| gir1.2-webkit2-4.1 · Ubuntu 22.04.1 LTS (jammy) | 2.50.1-0ubuntu0.22.04.1 | gir1.2-webkit2-4.1 2.50.1-0ubuntu0.22.04.1 | Nov 3, 2025 |
| gir1.2-webkit2-4.1 · Ubuntu 24.04.5 LTS (noble) | 2.50.1-0ubuntu0.24.04.1 | gir1.2-webkit2-4.1 2.50.1-0ubuntu0.24.04.1 | Nov 3, 2025 |
| gir1.2-webkit2-4.1 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | gir1.2-webkit2-4.1 2.50.0-2ubuntu1 | Sep 15, 2025 |
| libjavascriptcoregtk-4.0-18 · Ubuntu 22.04.1 LTS (jammy) | 2.50.1-0ubuntu0.22.04.1 | libjavascriptcoregtk-4.0-18 2.50.1-0ubuntu0.22.04.1 | Nov 3, 2025 |
| libjavascriptcoregtk-4.0-bin · Ubuntu 22.04.1 LTS (jammy) | 2.50.1-0ubuntu0.22.04.1 | libjavascriptcoregtk-4.0-bin 2.50.1-0ubuntu0.22.04.1 | Nov 3, 2025 |
| libjavascriptcoregtk-4.0-bin · Ubuntu 24.04.5 LTS (noble) | 2.50.1-0ubuntu0.24.04.1 | libjavascriptcoregtk-4.0-bin 2.50.1-0ubuntu0.24.04.1 | Nov 3, 2025 |
| libjavascriptcoregtk-4.1-0 · Ubuntu 22.04.1 LTS (jammy) | 2.50.1-0ubuntu0.22.04.1 | libjavascriptcoregtk-4.1-0 2.50.1-0ubuntu0.22.04.1 | Nov 3, 2025 |
| libjavascriptcoregtk-4.1-0 · Ubuntu 24.04.5 LTS (noble) | 2.50.1-0ubuntu0.24.04.1 | libjavascriptcoregtk-4.1-0 2.50.1-0ubuntu0.24.04.1 | Nov 3, 2025 |
| libjavascriptcoregtk-4.1-0 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | libjavascriptcoregtk-4.1-0 2.50.0-2ubuntu1 | Sep 15, 2025 |
| libjavascriptcoregtk-6.0-1 · Ubuntu 22.04.1 LTS (jammy) | 2.50.1-0ubuntu0.22.04.1 | libjavascriptcoregtk-6.0-1 2.50.1-0ubuntu0.22.04.1 | Nov 3, 2025 |
| libjavascriptcoregtk-6.0-1 · Ubuntu 24.04.5 LTS (noble) | 2.50.1-0ubuntu0.24.04.1 | libjavascriptcoregtk-6.0-1 2.50.1-0ubuntu0.24.04.1 | Nov 3, 2025 |
| libjavascriptcoregtk-6.0-1 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | libjavascriptcoregtk-6.0-1 2.50.0-2ubuntu1 | Sep 15, 2025 |
| libjavascriptcoregtk-bin · Ubuntu 24.04.5 LTS (noble) | 2.50.1-0ubuntu0.24.04.1 | libjavascriptcoregtk-bin 2.50.1-0ubuntu0.24.04.1 | Nov 3, 2025 |
| libjavascriptcoregtk-bin · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | libjavascriptcoregtk-bin 2.50.0-2ubuntu1 | Sep 15, 2025 |
| libwebkit2gtk-4.0-37 · Ubuntu 22.04.1 LTS (jammy) | 2.50.1-0ubuntu0.22.04.1 | libwebkit2gtk-4.0-37 2.50.1-0ubuntu0.22.04.1 | Nov 3, 2025 |
| libwebkit2gtk-4.1-0 · Ubuntu 22.04.1 LTS (jammy) | 2.50.1-0ubuntu0.22.04.1 | libwebkit2gtk-4.1-0 2.50.1-0ubuntu0.22.04.1 | Nov 3, 2025 |
| libwebkit2gtk-4.1-0 · Ubuntu 24.04.5 LTS (noble) | 2.50.1-0ubuntu0.24.04.1 | libwebkit2gtk-4.1-0 2.50.1-0ubuntu0.24.04.1 | Nov 3, 2025 |
| libwebkit2gtk-4.1-0 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | libwebkit2gtk-4.1-0 2.50.0-2ubuntu1 | Sep 15, 2025 |
| libwebkitgtk-6.0-4 · Ubuntu 22.04.1 LTS (jammy) | 2.50.1-0ubuntu0.22.04.1 | libwebkitgtk-6.0-4 2.50.1-0ubuntu0.22.04.1 | Nov 3, 2025 |
| libwebkitgtk-6.0-4 · Ubuntu 24.04.5 LTS (noble) | 2.50.1-0ubuntu0.24.04.1 | libwebkitgtk-6.0-4 2.50.1-0ubuntu0.24.04.1 | Nov 3, 2025 |
| libwebkitgtk-6.0-4 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | libwebkitgtk-6.0-4 2.50.0-2ubuntu1 | Sep 15, 2025 |
| webkit2gtk · Debian 12.15 (bookworm) | 2.50.1-1~deb12u1 | DEBIAN-CVE-2025-31277 | Jul 30, 2025 |
| webkit2gtk · Debian 13.5 (trixie) | 2.50.1-1~deb13u1 | DEBIAN-CVE-2025-31277 | Jul 30, 2025 |
| webkit2gtk · Debian 14 | 2.50.0-1 | DEBIAN-CVE-2025-31277 | Jul 30, 2025 |
| webkit2gtk-driver · Ubuntu 22.04.1 LTS (jammy) | 2.50.1-0ubuntu0.22.04.1 | webkit2gtk-driver 2.50.1-0ubuntu0.22.04.1 | Nov 3, 2025 |
| webkit2gtk-driver · Ubuntu 24.04.5 LTS (noble) | 2.50.1-0ubuntu0.24.04.1 | webkit2gtk-driver 2.50.1-0ubuntu0.24.04.1 | Nov 3, 2025 |
| webkit2gtk3 · RHEL 8 | 0:2.50.0-1.el8_10 | RHSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3 · RHEL 9 | 0:2.50.1-0.el9_6 | RHSA-2025:18097 | Oct 15, 2025 |
| webkit2gtk3 · almalinux 8 | 2.50.0-1.el8_10 | ALSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3 · opensuse-leap 15.6 | 2.52.1-150600.12.63.1 | SUSE-SU-2026:1364-1 | Apr 15, 2026 |
| webkit2gtk3 · opensuse-leap 16.0 | 2.52.1-160000.1.1 | OPENSUSE-SU-2026:20518-1 | Apr 13, 2026 |
| webkit2gtk3 · sles 15.6 | 2.52.1-150600.12.63.1 | SUSE-SU-2026:1364-1 | Apr 15, 2026 |
| webkit2gtk3 · sles 15.7 | 2.52.1-150600.12.63.1 | SUSE-SU-2026:1364-1 | Apr 15, 2026 |
| webkit2gtk3 · sles 16.0 | 2.52.1-160000.1.1 | SUSE-SU-2026:21180-1 | Apr 13, 2026 |
| webkit2gtk3-devel · RHEL 8 | 0:2.50.0-1.el8_10 | RHSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3-devel · RHEL 9 | 0:2.50.1-0.el9_6 | RHSA-2025:18097 | Oct 15, 2025 |
| webkit2gtk3-devel · almalinux 8 | 2.50.0-1.el8_10 | ALSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3-jsc · RHEL 8 | 0:2.50.0-1.el8_10 | RHSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3-jsc · RHEL 9 | 0:2.50.1-0.el9_6 | RHSA-2025:18097 | Oct 15, 2025 |
| webkit2gtk3-jsc · almalinux 8 | 2.50.0-1.el8_10 | ALSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3-jsc-devel · RHEL 8 | 0:2.50.0-1.el8_10 | RHSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3-jsc-devel · RHEL 9 | 0:2.50.1-0.el9_6 | RHSA-2025:18097 | Oct 15, 2025 |
| webkit2gtk3-jsc-devel · almalinux 8 | 2.50.0-1.el8_10 | ALSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3-soup2 · opensuse-leap 15.6 | 2.52.1-150600.12.63.1 | SUSE-SU-2026:1364-1 | Apr 15, 2026 |
| webkit2gtk3-soup2 · opensuse-leap 16.0 | 2.52.1-160000.1.1 | OPENSUSE-SU-2026:20518-1 | Apr 13, 2026 |
| webkit2gtk3-soup2 · sles 15.6 | 2.52.1-150600.12.63.1 | SUSE-SU-2026:1364-1 | Apr 15, 2026 |
| webkit2gtk3-soup2 · sles 15.7 | 2.52.1-150600.12.63.1 | SUSE-SU-2026:1364-1 | Apr 15, 2026 |
| webkit2gtk4 · opensuse-leap 15.6 | 2.52.1-150600.12.63.1 | SUSE-SU-2026:1364-1 | Apr 15, 2026 |
| webkit2gtk4 · opensuse-leap 16.0 | 2.52.1-160000.1.1 | OPENSUSE-SU-2026:20518-1 | Apr 13, 2026 |
| webkit2gtk4 · sles 15.6 | 2.52.1-150600.12.63.1 | SUSE-SU-2026:1364-1 | Apr 15, 2026 |
| webkit2gtk4 · sles 15.7 | 2.52.1-150600.12.63.1 | SUSE-SU-2026:1364-1 | Apr 15, 2026 |
| webkit2gtk4 · sles 16.0 | 2.52.1-160000.1.1 | SUSE-SU-2026:21180-1 | Apr 13, 2026 |
| webkitgtk-webdriver · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | webkitgtk-webdriver 2.50.0-2ubuntu1 | Sep 15, 2025 |
| wpewebkit · Debian 14 | 2.50.0-1 | DEBIAN-CVE-2025-31277 | Jul 30, 2025 |
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