FreeRDP up to 3.28.x Audio Input Redirection FramesPerPacket integer overflow

Summaryinfo

A vulnerability was found in FreeRDP up to 3.28.x and classified as critical. This affects an unknown part of the component Audio Input Redirection. Executing a manipulation of the argument FramesPerPacket can lead to integer overflow. The identification of this vulnerability is CVE-2026-68580. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in FreeRDP up to 3.28.x. This vulnerability affects an unknown code of the component Audio Input Redirection. The manipulation of the argument FramesPerPacket with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

FreeRDP before 3.29.0 contains integer overflow vulnerabilities in the audio input redirection channel (audin) across ALSA, sndio, WinMM, and OpenSL ES backends that fail to validate the FramesPerPacket parameter from RDP servers. Attackers can supply a malicious FramesPerPacket value causing allocation size wraparound, resulting in heap-based buffer overflow on ALSA or denial of service on all platforms.

The advisory is available at github.com. This vulnerability was named CVE-2026-68580 since 07/31/2026. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 331659 (Linux Distros Unpatched Vulnerability : CVE-2026-68580), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.29.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (331659) and EUVD (EUVD-2026-51990). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Remote Access Software

Name

• FreeRDP

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9
• 3.10
• 3.11
• 3.12
• 3.13
• 3.14
• 3.15
• 3.16
• 3.17
• 3.18
• 3.19
• 3.20
• 3.21
• 3.22
• 3.23
• 3.24
• 3.25
• 3.26
• 3.27
• 3.28

License

• open-source

Website

• Product: https://github.com/FreeRDP/FreeRDP/

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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