CVE-2026-121409

5.9 MEDIUMpublic exploit available

Published 2026-11-03 · Updated 2026-11-03

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

FreeRDP before 3.32.2 contains a denial of service vulnerability that allows malicious servers or unauthenticated peers to abort clients or proxies via oversized X.224 routing tokens. Attackers can send an oversized LoadBalanceInfo in a Server Redirection PDU, or a 240–247 byte token to a FixedTarget freerdp-proxy, triggering a tpdu_write_header assertion that crashes the process.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-617

Vendors

freerdp

Products

freerdp

Public exploit & PoC references

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3hf9-w6hr-hf9j[Vendor Advisory]

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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