A flaw was found in the GLib Base64 encoding routine when processing very large input data. Due to incorrect use of integer types during length calculation, the library may miscalculate buffer boundaries. This can cause memory writes outside the allocated buffer. Applications that process untrusted or extremely large Base64 input using GLib may crash or behave unpredictably.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade glib2.0 | Feb 24, 2026 | Feb 24, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Jan 27, 2026 |
| Suse | — | Upgrade typelib-1_0-GIRepository-3_0Upgrade glib2-langUpgrade glib2-toolsUpgrade libgobject-2_0-0Upgrade libgmodule-2_0-0Upgrade glib2-develUpgrade libgio-2_0-0Upgrade glib2-devel-staticUpgrade libgirepository-2_0-0Upgrade libgthread-2_0-0-32bitUpgrade gio-branding-upstreamUpgrade glib2-docUpgrade libgmodule-2_0-0-32bitUpgrade typelib-1_0-Gio-2_0Upgrade libgobject-2_0-0-32bitUpgrade glib2-devel-32bitUpgrade libgio-2_0-0-32bitUpgrade typelib-1_0-GModule-2_0Upgrade libglib-2_0-0Upgrade typelib-1_0-GLibUnix-2_0Upgrade glib2-tests-develUpgrade libglib-2_0-0-32bitUpgrade libgthread-2_0-0Upgrade glib2-tools-32bitUpgrade typelib-1_0-GObject-2_0Upgrade typelib-1_0-GLib-2_0 | Feb 4, 2026 | Jan 31, 2026 |
| Ubuntu | — | Upgrade libglib2.0-0Upgrade libglib2.0-binUpgrade libglib2.0-0t64 | Feb 6, 2026 | Jan 27, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Jan 27, 2026 |
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