CVE-2026-111377: FreeRDP 2.0.0 before 3.32.0 Memory Exhaustion via Static Channel Reassembly

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-10-16 · updated 2026-10-20
Weakness: CWE-400

Description

FreeRDP from 2.0.0 before 3.32.0 contains an unbounded reassembly vulnerability in WTSProcessChannelData that fails to enforce cumulative fragment limits. Authenticated clients can start a static virtual channel message, withhold the LAST flag, and send endless fragments to exhaust server memory.

Affected products

FreeRDP: from 2.0.0 before 3.32.0 — fixed in 3.32.0

How to fix

Upgrade to a fixed version: FreeRDP 3.32.0. Check the vendor advisory for mitigations.

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-xm53-352c-57jw
https://www.vulncheck.com/advisories/freerdp-2.0.0-before-3.32.0-memory-exhaustion-via-static-channel-reassembly

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