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 freerdp-develUpgrade freerdp-libsUpgrade libwinprUpgrade freerdpUpgrade libwinpr-devel | May 12, 2026 | May 11, 2026 |
| Amazon Linux Ami 2 | — | Upgrade freerdpUpgrade libwinpr-develUpgrade freerdp-libsUpgrade libwinprUpgrade freerdp-develUpgrade freerdp-debuginfo | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade libwinprUpgrade freerdpUpgrade freerdp-server-debuginfoUpgrade freerdp-debugsourceUpgrade freerdp-serverUpgrade libwinpr-debuginfoUpgrade freerdp-libs-debuginfoUpgrade freerdp-debuginfoUpgrade freerdp-develUpgrade libwinpr-develUpgrade freerdp-libs | Apr 7, 2026 | Feb 25, 2026 |
| Oracle_linux | — | Upgrade freerdp-libsUpgrade freerdp-develUpgrade libwinpr-develUpgrade freerdpUpgrade libwinpr | May 13, 2026 | Feb 25, 2026 |
| Redhat_linux | — | No solution existsUpgrade freerdp-debuginfoUpgrade freerdp-libs-debuginfoUpgrade freerdp-develUpgrade libwinpr-debuginfoUpgrade freerdp-libsUpgrade freerdp-debugsourceUpgrade libwinpr-develUpgrade libwinprUpgrade freerdp | May 12, 2026 | Feb 25, 2026 |
| Rocky_linux | — | Upgrade libwinpr-debuginfoUpgrade freerdp-libsUpgrade freerdp-develUpgrade freerdp-debuginfoUpgrade freerdpUpgrade libwinprUpgrade libwinpr-develUpgrade freerdp-libs-debuginfoUpgrade freerdp-debugsource | May 14, 2026 | May 13, 2026 |
| Ubuntu | — | Upgrade freerdp-x11Upgrade libfreerdp3-3Upgrade freerdp3-x11 | Mar 19, 2026 | Feb 25, 2026 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub