Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, a malicious RDP client can trigger a heap-buffer-overflow write in FreeRDP's server-side clipboard (cliprdr) channel by sending a CB_CLIP_CAPS PDU with a too-small capabilitySetLength. This can crash the server process (remote DoS) and may be exploitable for code execution because it corrupts heap memory. This vulnerability is fixed in 3.26.0.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
FreeRDP FreeRDP
< 3.26.0affected
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mvpx-xj7r-3p3r ↗
- https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-h6wq-j5mv-f3q8 ↗
- https://access.redhat.com/security/cve/CVE-2026-44420 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2483480 ↗
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44420.json ↗
- https://access.redhat.com/errata/RHSA-2026:46393 ↗
- https://access.redhat.com/errata/RHSA-2026:36203 ↗