FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, a malicious RDP server can crash the FreeRDP client by sending audio data in IMA ADPCM format with an invalid initial step index value (>= 89). The unvalidated step index is read directly from the network and used to index into a 89-entry lookup table, triggering a WINPR_ASSERT() failure and process abort via SIGABRT. This affects any FreeRDP client that has audio redirection (RDPSND) enabled, which is the default configuration. This issue has been patched in version 3.24.2.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade freerdp | Apr 1, 2026 | Mar 30, 2026 |
| Amazon Linux Ami 2 | — | Upgrade freerdp-libsUpgrade libwinprUpgrade freerdp-develUpgrade freerdp-debuginfoUpgrade freerdpUpgrade libwinpr-devel | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade freerdp-develUpgrade freerdp-server-debuginfoUpgrade freerdp-debuginfoUpgrade freerdp-libs-debuginfoUpgrade libwinprUpgrade freerdp-libsUpgrade freerdp-serverUpgrade freerdp-debugsourceUpgrade freerdpUpgrade libwinpr-debuginfoUpgrade libwinpr-devel | Apr 14, 2026 | Mar 30, 2026 |
| Debian | — | Upgrade freerdp3 | Jul 23, 2026 | Jul 23, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Mar 30, 2026 |
| Ubuntu | — | Upgrade freerdp3-x11Upgrade freerdp-x11Upgrade libfreerdp3-3 | Jul 21, 2026 | Jul 20, 2026 |
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