Multiple unbounded alloca() calls in the PulseAudio protocol server.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2029 advisory.

    RAOP module accepts unbounded Content-Length values and does not check the pw_array_add() return.
    (CVE-2026-14324)

    Multiple unbounded alloca() calls in the PulseAudio protocol server. (CVE-2026-14330)

    A flaw was found in PipeWire, a multimedia server. This vulnerability allows an attacker to escape     sandboxed applications, such as Flatpak, by exploiting PipeWire's PulseAudio compatibility layer. An     attacker with minimal permissions within a sandboxed environment can load a malicious library, leading to     arbitrary code execution outside the sandbox and potential compromise of the user's system.
    (CVE-2026-5674)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8535-1 advisory.

    It was discovered that PipeWire accepted unbounded Content-Length values in its RAOP module. A remote     attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 24.04     LTS. (CVE-2026-14324)

    It was discovered that PipeWire performed multiple unbounded stack allocations in its PulseAudio protocol     server. A local attacker could possibly use this issue to cause a denial of service. (CVE-2026-14330)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Multiple unbounded alloca() calls in the PulseAudio protocol server. (CVE-2026-14330)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
332029	Amazon Linux 2023 : pipewire, pipewire-alsa, pipewire-config-rates (ALAS2023-2026-2029)	Nessus	Amazon Linux Local Security Checks	Local	high
326799	Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS : PipeWire vulnerabilities (USN-8535-1)	Nessus	Ubuntu Local Security Checks	Local	medium
324771	Linux Distros Unpatched Vulnerability : CVE-2026-14330	Nessus	Misc.	Local	medium

Detections

Analytics

CVE-2026-14330

medium

Tenable Plugins

high

medium

medium