MEDIUM 5.3 NVD
CVE-2026-121399
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 bef
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.
Affected Products
- freerdp/freerdp
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4vh4-3pc3-32p7
- https://www.vulncheck.com/advisories/freerdp-before-3.32.2-memory-exhaustion-via-rd-gatewa
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-11-03 via NVD. Affected: freerdp/freerdp.
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