Use After Free Affecting freerdp/freerdp package, versions [,3.29.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-FREERDPFREERDP-21190466
- published18 Oct 2026
- disclosed1 Aug 2026
- creditUnknown
Introduced: 1 Aug 2026
CVE-2026-67299 (opens in a new tab)How to fix?
Upgrade freerdp/freerdp to version 3.29.0 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free in the update_message_WindowIcon process when handling asynchronous update messages. An attacker can cause memory corruption and crash the client by sending a crafted RAIL Window Alternate Secondary Order with WINDOW_ORDER_ICON from a malicious or compromised RDP server. This is only exploitable if AsyncUpdate is enabled (for example, when using xfreerdp with the /async-update option).