RAOP Module Memory Corruption Vulnerability

Executive Summary

CVE-2026-14324 is a vulnerability in PipeWire's RAOP (AirPlay) RTSP client module. The issue arises because the module accepts unbounded Content-Length values from remote servers without proper validation and does not check the return value of a memory allocation function (pw_array_add).

An attacker on the local network can exploit this by sending a malicious RTSP response containing an excessively large Content-Length header. This can cause a NULL pointer dereference, which leads to the PipeWire daemon crashing.

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Impact Analysis

This vulnerability can cause the PipeWire daemon on affected Linux systems to crash due to a NULL pointer dereference triggered by a maliciously crafted RTSP response.

Such crashes can lead to denial of service conditions, disrupting audio and media streaming services that rely on PipeWire.

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Detection Guidance

This vulnerability can be detected by monitoring for crashes or abnormal behavior of the PipeWire daemon, as the exploit causes a NULL pointer dereference leading to a crash.

On the network level, detection involves inspecting RTSP responses for unusually large or malformed Content-Length headers sent to the RAOP module.

Specific commands are not provided in the available information.

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Mitigation Strategies

Immediate mitigation steps are not explicitly detailed in the provided information.

However, general best practices include restricting local network access to trusted devices to prevent malicious RTSP responses and monitoring PipeWire daemon stability.

Applying any available patches or updates from PipeWire or your Linux distribution once released is recommended.

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