CVE-2026-58264

A flaw was found in FluidSynth. The pitchbendrange command handler does not check that the channel argument is inside the synthesizer channel array before writing the supplied value, which is an out-of-bounds heap write. An attacker who can send commands to the FluidSynth shell can crash the...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : FluidSynth vulnerabilities (USN-8885-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8885-1 advisory. It was discovered that FluidSynth did not properly validate the channel argument ...

USN-8885-1 fluidsynth vulnerabilities

It was discovered that FluidSynth did not properly validate the channel argument of the pitchbendrange command. A remote attacker could possibly use this issue to cause FluidSynth to crash, resulting in a denial of service, or execute arbitrary code. CVE-2026-58264 It was discovered that FluidSyn...

USN-8885-1: FluidSynth vulnerabilities

It was discovered that FluidSynth did not properly validate the channel argument of the pitchbendrange command. A remote attacker could possibly use this issue to cause FluidSynth to crash, resulting in a denial of service, or execute arbitrary code. CVE-2026-58264 It was discovered that FluidSyn...

CVE-2026-58264

FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From 1.1.2 until 2.5.6, the FluidSynth command handler accepts a pitchbendrange command whose channel argument is not bounds checked before the supplied value is written through the selected synth channel. An out-of-ran...

CVE-2026-58264

FluidSynth , a software synthesizer based on the SoundFont 2 specifications, is affected by an out-of-bounds heap write in its command handler. The pitch_bend_range command accepts a channel argument that is not bounds-checked before writing the supplied value through the selected synth channel. ...

CVE-2026-58264 FluidSynth: Heap-based buffer overrun

FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From 1.1.2 until 2.5.6, the FluidSynth command handler accepts a pitchbendrange command whose channel argument is not bounds checked before the supplied value is written through the selected synth channel. An out-of-ran...

CVE-2026-58264 FluidSynth: Heap-based buffer overrun

FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From 1.1.2 until 2.5.6, the FluidSynth command handler accepts a pitchbendrange command whose channel argument is not bounds checked before the supplied value is written through the selected synth channel. An out-of-ran...

CVE-2026-58264

FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From 1.1.2 until 2.5.6, the FluidSynth command handler accepts a pitchbendrange command whose channel argument is not bounds checked before the supplied value is written through the selected synth channel. An out-of-ran...

EUVD-2026-83374

FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From 1.1.2 until 2.5.6, the FluidSynth command handler accepts a pitchbendrange command whose channel argument is not bounds checked before the supplied value is written through the selected synth channel. An out-of-ran...

CVE-2026-58264 FluidSynth: Heap-based buffer overrun

FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From 1.1.2 until 2.5.6, the FluidSynth command handler accepts a pitchbendrange command whose channel argument is not bounds checked before the supplied value is written through the selected synth channel. An out-of-ran...

CVE-2026-58264: Heap-based Buffer Overflow

FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From 1.1.2 until 2.5.6, the FluidSynth command handler accepts a pitchbendrange command whose channel argument is not bounds checked before the supplied value is written through the selected synth channel. An out-of-ran...

OESA-2026-3081 fluidsynth security update

FluidSynth is a free software synthesizer. Its currently based on the SoundFont 2 specifications and supports real time MIDI effect controls. It can be used as a shared library for embedding in other applications, can play MIDI files and has a command line shell. Many other applications use...