Reachable Assertion Affecting freerdp/freerdp package, versions [,3.24.2)
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- published31 Mar 2026
- disclosed31 Mar 2026
- creditSebasteuo
Introduced: 31 Mar 2026
NewCVE-2026-33977 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade freerdp/freerdp to version 3.24.2 or higher.
Overview
Affected versions of this package are vulnerable to Reachable Assertion in the IMA ADPCM audio decoding process when handling audio data with an invalid initial step index value received from a remote server. An attacker can cause the client to abort unexpectedly by sending specially crafted audio data that triggers an assertion failure.