FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, AUDIN format renegotiation frees the active format list while the capture thread continues using audin->format, leading to a use after free in audio_format_compatible. This vulnerability is fixed in 3.22.0.
CVSS Details
- CVSS 4.0 Base Score: 7.7 (HIGH)
- CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)
- CVSS 3.1 Base Score: 7.5
- 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 libwinprUpgrade libwinpr-develUpgrade freerdp-libsUpgrade freerdp-develUpgrade freerdp | Apr 3, 2026 | Apr 1, 2026 |
| Alpine Linux | — | Upgrade freerdp | Feb 10, 2026 | Feb 9, 2026 |
| Amazon Linux Ami 2 | — | Upgrade libwinpr-develUpgrade freerdp-debuginfoUpgrade freerdp-develUpgrade freerdp-libsUpgrade freerdpUpgrade libwinpr | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade freerdp-debuginfoUpgrade freerdp-develUpgrade freerdp-libsUpgrade freerdp-libs-debuginfoUpgrade freerdp-debugsourceUpgrade libwinpr-debuginfoUpgrade freerdp-serverUpgrade libwinpr-develUpgrade libwinprUpgrade freerdp-server-debuginfoUpgrade freerdp | Mar 9, 2026 | Feb 9, 2026 |
| Debian | — | Upgrade freerdp3 | Jul 23, 2026 | Jul 23, 2026 |
| Oracle_linux | — | Upgrade libwinpr-develUpgrade freerdpUpgrade freerdp-serverUpgrade libwinprUpgrade freerdp-develUpgrade freerdp-libs | Apr 2, 2026 | Feb 9, 2026 |
| Redhat_linux | — | Upgrade freerdp-libsUpgrade freerdp-debuginfoUpgrade libwinpr-debuginfoUpgrade freerdp-serverNo solution existsUpgrade freerdp-debugsourceUpgrade freerdp-server-debuginfoUpgrade libwinprUpgrade freerdpUpgrade libwinpr-develUpgrade freerdp-develUpgrade freerdp-libs-debuginfo | Apr 2, 2026 | Feb 9, 2026 |
| Rocky_linux | — | Upgrade freerdp-server-debuginfoUpgrade freerdp-develUpgrade freerdp-libsUpgrade freerdp-libs-debuginfoUpgrade freerdp-serverUpgrade freerdp-debuginfoUpgrade libwinprUpgrade libwinpr-debuginfoUpgrade libwinpr-develUpgrade freerdpUpgrade freerdp-debugsource | Apr 8, 2026 | Apr 7, 2026 |
| Ubuntu | — | Upgrade freerdp2-x11Upgrade libfreerdp2-2t64 (Ubuntu Pro)Upgrade libfreerdp2-2Upgrade libfreerdp3-3Upgrade freerdp2-x11 (Ubuntu Pro)Upgrade libfreerdp2-2 (Ubuntu Pro)Upgrade freerdp3-x11 | Feb 17, 2026 | Feb 9, 2026 |
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