CVE-2026-121399 — Vulnerability intelligence
freerdp — freerdp
Published:
- CVSS
- 5.3
- CISA KEV
- Not listed; not proof of no exploitation
Original source text (not a translation)
FreeRDP before 3.32.2 contains a memory allocation vulnerability in rdg_receive_packet that allows a malicious RD Gateway to force a 2 GiB client allocation before tunnel authentication. Attackers can send an eight-byte RDG header declaring packet length 0x7FFFFFFF to trigger pre-authentication memory exhaustion and denial of service.