CVE-2026-110832: FreeRDP 2.0.0 before 3.32.0 Memory Exhaustion via DRDYNVC DATA_FIRST

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: none known
Published: 2026-10-14 · updated 2026-10-23
Weakness: CWE-400

Description

FreeRDP from 2.0.0 before 3.32.0 contains a memory exhaustion vulnerability in wts_read_drdynvc_data_first that allows authenticated clients to force servers to commit large memory allocations. Attackers can send a seven-byte DATA_FIRST message on an opened DVC declaring a large 32-bit length, causing zeroed resident memory growth and server resource exhaustion.

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-5cgr-vmp8-fmvj
https://www.vulncheck.com/advisories/freerdp-2.0.0-before-3.32.0-memory-exhaustion-via-drdynvc-data-first

Get alerted when CVE-2026-110832 or the next vulnerability affects your stack