vulnerability
Red Hat: CVE-2026-22854: freerdp: FreeRDP heap-buffer-overflow (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Jan 14, 2026 | Apr 2, 2026 | May 20, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Jan 14, 2026
Added
Apr 2, 2026
Modified
May 20, 2026
Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap-buffer-overflow occurs in drive read when a server-controlled read length is used to read file data into an IRP output stream buffer without a hard upper bound, allowing an oversized read to overwrite heap memory. This vulnerability is fixed in 3.20.1.
Solutions
redhat-upgrade-freerdpredhat-upgrade-freerdp-debuginforedhat-upgrade-freerdp-debugsourceredhat-upgrade-freerdp-develredhat-upgrade-freerdp-libsredhat-upgrade-freerdp-libs-debuginforedhat-upgrade-freerdp-serverredhat-upgrade-freerdp-server-debuginforedhat-upgrade-libwinprredhat-upgrade-libwinpr-debuginforedhat-upgrade-libwinpr-devel
References
Rapid7 Labs
2026 Global Threat Landscape Report
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