FreeRDP versions before 3.31.0 contain an uninitialized heap memory disclosure vulnerability in the urbdrc USB redirection channel. A malicious RDP server can induce failing USB transfers to read uninitialized heap memory from the client, defeating ASLR and enabling remote code execution when chained with memory corruption vulnerabilities.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libwinprUpgrade freerdp-libsUpgrade freerdp-develUpgrade libwinpr-develUpgrade freerdp | Oct 11, 2026 | Oct 6, 2026 |
| Amazon_linux_2023 | — | Upgrade freerdp-libs-debuginfoUpgrade libwinprUpgrade freerdp-server-debuginfoUpgrade freerdpUpgrade freerdp-serverUpgrade freerdp-develUpgrade freerdp-libsUpgrade freerdp-debugsourceUpgrade libwinpr-develUpgrade libwinpr-debuginfoUpgrade freerdp-debuginfo | Sep 30, 2026 | Sep 15, 2026 |
| Redhat_linux | — | Upgrade freerdpUpgrade freerdp-develUpgrade freerdp-debugsourceUpgrade freerdp-server-debuginfoUpgrade libwinpr-develUpgrade freerdp-debuginfoUpgrade freerdp-libs-debuginfoNo solution existsUpgrade freerdp-serverUpgrade freerdp-libsUpgrade libwinprUpgrade libwinpr-debuginfo | Sep 17, 2026 | Sep 15, 2026 |
| Rocky_linux | — | Upgrade libwinpr-develUpgrade freerdp-debugsourceUpgrade freerdp-debuginfoUpgrade freerdpUpgrade libwinpr-debuginfoUpgrade freerdp-server-debuginfoUpgrade libwinprUpgrade freerdp-develUpgrade freerdp-serverUpgrade freerdp-libsUpgrade freerdp-libs-debuginfo | Oct 8, 2026 | Oct 7, 2026 |
| Ubuntu | — | Upgrade freerdp3 | Sep 22, 2026 | Sep 16, 2026 |
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