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A flaw was found in GLib. The D-Bus client-side implementation of the DBUS_COOKIE_SHA1 SASL authentication mechanism does not validate the cookie_context parameter received from the server. A malicious D-Bus server can supply a cookie_context containing path traversal sequences, causing the client to read an arbitrary file and exfiltrate sensitive data by verifying guessed file contents against a generated hash.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade glib2-docUpgrade mingw64-glib2Upgrade glib2Upgrade glib2-famUpgrade mingw32-glib2Upgrade mingw64-glib2-staticUpgrade glib2-staticUpgrade glib2-testsUpgrade glib2-develUpgrade mingw32-glib2-static | Aug 4, 2026 | Aug 3, 2026 |
| Amazon_linux_2023 | — | Upgrade glib2-staticUpgrade glib2-devel-debuginfoUpgrade glib2-debuginfoUpgrade glib2-debugsourceUpgrade glib2-docUpgrade glib2Upgrade glib2-tests-debuginfoUpgrade glib2-develUpgrade glib2-tests | Jul 21, 2026 | Jun 30, 2026 |
| Debian | — | Upgrade glib2.0 | Sep 21, 2026 | Jun 30, 2026 |
| Oracle_linux | — | Upgrade glib2Upgrade glib2-docUpgrade glib2-testsUpgrade glib2-develUpgrade glib2-staticUpgrade glib2-fam | Oct 22, 2026 | Jun 30, 2026 |
| Redhat Openshift | — | Upgrade ose-rhel-coreosUpgrade rhcos | Sep 16, 2026 | Apr 8, 2026 |
| Redhat_linux | — | Upgrade glib2-staticUpgrade glib2Upgrade mingw64-glib2-staticUpgrade mingw32-glib2-staticUpgrade glib2-devel-debuginfoUpgrade glib2-debugsourceUpgrade glib2-debuginfoUpgrade glib2-famUpgrade glib2-docUpgrade glib2-develUpgrade mingw32-glib2Upgrade mingw64-glib2Upgrade glib2-testsUpgrade mingw32-glib2-debuginfoNo solution existsUpgrade mingw64-glib2-debuginfoUpgrade glib2-fam-debuginfoUpgrade glib2-tests-debuginfo | Jul 17, 2026 | Apr 8, 2026 |
| Rocky_linux | — | Upgrade glib2Upgrade glib2-famUpgrade glib2-develUpgrade glib2-debuginfoUpgrade glib2-fam-debuginfoUpgrade glib2-debugsourceUpgrade glib2-testsUpgrade glib2-tests-debuginfoUpgrade glib2-staticUpgrade glib2-devel-debuginfo | Aug 20, 2026 | Aug 17, 2026 |
| Ubuntu | — | Upgrade libglib2.0-0t64Upgrade libglib2.0-0Upgrade libglib2.0-binUpgrade libglib2.0-0 (Ubuntu Pro)Upgrade libglib2.0-bin (Ubuntu Pro) | Sep 22, 2026 | Sep 21, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 2, 2026 | Jun 30, 2026 |
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