FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` can create an endless blocking loop. This may affect all client and server implementations using `FreeRDP`. For practical exploitation this will only work on 32bit systems where the available physical memory is `>= SIZE_MAX`. Version 3.23.0 contains a patch. No known workarounds are available.
CVSS Details
- CVSS 3.1 Base Score: 5.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libwinpr-develUpgrade freerdpUpgrade freerdp-libsUpgrade libwinprUpgrade freerdp-devel | May 12, 2026 | May 11, 2026 |
| Amazon Linux Ami 2 | — | Upgrade libwinprUpgrade freerdp-debuginfoUpgrade freerdp-develUpgrade freerdp-libsUpgrade freerdpUpgrade libwinpr-devel | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade libwinprUpgrade freerdp-server-debuginfoUpgrade freerdpUpgrade freerdp-libsUpgrade freerdp-debuginfoUpgrade freerdp-debugsourceUpgrade libwinpr-develUpgrade libwinpr-debuginfoUpgrade freerdp-serverUpgrade freerdp-develUpgrade freerdp-libs-debuginfo | Apr 7, 2026 | Feb 25, 2026 |
| Oracle_linux | — | Upgrade freerdp-develUpgrade freerdp-libsUpgrade libwinpr-develUpgrade freerdpUpgrade libwinpr | May 13, 2026 | Feb 25, 2026 |
| Redhat_linux | — | Upgrade freerdp-libs-debuginfoUpgrade freerdp-debuginfoUpgrade freerdp-debugsourceUpgrade freerdp-libsUpgrade libwinpr-debuginfoNo solution existsUpgrade freerdp-develUpgrade freerdpUpgrade libwinpr-develUpgrade libwinpr | May 12, 2026 | Feb 25, 2026 |
| Rocky_linux | — | Upgrade libwinpr-debuginfoUpgrade freerdp-libs-debuginfoUpgrade freerdp-libsUpgrade libwinpr-develUpgrade freerdp-debuginfoUpgrade freerdp-develUpgrade freerdp-debugsourceUpgrade libwinprUpgrade freerdp | May 14, 2026 | May 13, 2026 |
| Ubuntu | — | Upgrade freerdp3-x11Upgrade libfreerdp3-3Upgrade freerdp-x11 | Mar 19, 2026 | Feb 25, 2026 |
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