Reachable Assertion Affecting freerdp-debugsource package, versions <2:3.32.1-1.amzn2023.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.27% (19th percentile)

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  • Snyk IDSNYK-AMZN2023-FREERDPDEBUGSOURCE-21703062
  • published25 Oct 2026
  • disclosed12 Oct 2026

Introduced: 12 Oct 2026

NewCVE-2026-109240  (opens in a new tab)
CWE-617  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 freerdp-debugsource to version 2:3.32.1-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-3307.

NVD Description

Note: Versions mentioned in the description apply only to the upstream freerdp-debugsource package and not the freerdp-debugsource package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

FreeRDP 3.11.0 before 3.32.1 contains a reachable assertion vulnerability in urb_isoch_transfer that allows malicious RDP servers to crash clients by sending unvalidated OutputBufferSize values. Attackers can send a TS_URB_ISOCH_TRANSFER IN-direction request with OutputBufferSize above INT32_MAX over URBDRC, triggering an assertion in libusb_udev_isoch_transfer that terminates the client.

CVSS Base Scores

version 3.1