CVE-2026-111136

A flaw was found in libinstpatch. The SoundFont 2 SF2 loader fails to properly validate generator identifiers before processing them, resulting in a heap-based buffer overflow. By convincing a user or application to open a specially crafted SF2 file, an attacker can corrupt memory, causing the...

UBUNTU-CVE-2026-111136

libInstPatch through 1.1.7 contains a heap out-of-bounds write vulnerability in the SoundFont 2 loader because ipatchsf2genisvalid does not range-check generator IDs before the validity mask test. Attackers can supply crafted SF2 files with out-of-range pgen or igen generator IDs to write...

Linux Distros Unpatched Vulnerability : CVE-2026-111136

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libInstPatch through 1.1.7 contains a heap out-of-bounds write vulnerability in the SoundFont 2 loader because ipatchsf2genisvalid does not range-check generato...

CVE-2026-111136

libInstPatch through 1.1.7 contains a heap out-of-bounds write vulnerability in the SoundFont 2 loader because ipatchsf2genisvalid does not range-check generator IDs before the validity mask test. Attackers can supply crafted SF2 files with out-of-range pgen or igen generator IDs to write...

DEBIAN-CVE-2026-111136

libInstPatch through 1.1.7 contains a heap out-of-bounds write vulnerability in the SoundFont 2 loader because ipatchsf2genisvalid does not range-check generator IDs before the validity mask test. Attackers can supply crafted SF2 files with out-of-range pgen or igen generator IDs to write...

CVE-2026-111136

libInstPatch through 1.1.7 contains a heap out-of-bounds write vulnerability in the SoundFont 2 loader because ipatchsf2genisvalid does not range-check generator IDs before the validity mask test. Attackers can supply crafted SF2 files with out-of-range pgen or igen generator IDs to write...

CVE-2026-111136

The libInstPatch library (through version 1.1.7 ) is vulnerable to a heap out-of-bounds write in its SoundFont 2 loader. The root cause is that the ipatch_sf2_gen_is_valid() function fails to perform a range-check on generator IDs before executing a validity mask test. An attacker can exploit thi...

CVE-2026-111136 libInstPatch through 1.1.7 Heap Out-of-Bounds Write via ipatch_sf2_gen_is_valid

libInstPatch through 1.1.7 contains a heap out-of-bounds write vulnerability in the SoundFont 2 loader because ipatchsf2genisvalid does not range-check generator IDs before the validity mask test. Attackers can supply crafted SF2 files with out-of-range pgen or igen generator IDs to write...

CVE-2026-111136 libInstPatch through 1.1.7 Heap Out-of-Bounds Write via ipatch_sf2_gen_is_valid

libInstPatch through 1.1.7 contains a heap out-of-bounds write vulnerability in the SoundFont 2 loader because ipatchsf2genisvalid does not range-check generator IDs before the validity mask test. Attackers can supply crafted SF2 files with out-of-range pgen or igen generator IDs to write...

CVE-2026-111136 libInstPatch through 1.1.7 Heap Out-of-Bounds Write via ipatch_sf2_gen_is_valid

libInstPatch through 1.1.7 contains a heap out-of-bounds write vulnerability in the SoundFont 2 loader because ipatchsf2genisvalid does not range-check generator IDs before the validity mask test. Attackers can supply crafted SF2 files with out-of-range pgen or igen generator IDs to write...

EUVD-2026-102263

libInstPatch through 1.1.7 contains a heap out-of-bounds write vulnerability in the SoundFont 2 loader because ipatchsf2genisvalid does not range-check generator IDs before the validity mask test. Attackers can supply crafted SF2 files with out-of-range pgen or igen generator IDs to write...

CVE-2026-111136: Out-of-bounds Write

libInstPatch through 1.1.7 contains a heap out-of-bounds write vulnerability in the SoundFont 2 loader because ipatchsf2genisvalid does not range-check generator IDs before the validity mask test. Attackers can supply crafted SF2 files with out-of-range pgen or igen generator IDs to write...

PT-2026-115142

Name of the Vulnerable Software and Affected Versions libInstPatch versions prior to 1.1.8 Description The SoundFont 2 loader contains a heap out-of-bounds write issue. This occurs because the ipatch sf2 gen is valid function fails to perform range-checks on generator IDs before the validity mask...

CVE-2026-61720

A flaw was found in FluidSynth, a software synthesizer. A remote attacker could exploit an unsigned integer underflow vulnerability in the SoundFont 2 SF2 parser by providing a specially crafted SF2 file. This file, containing a zero-sized DMOD chunk, causes the parser to attempt an excessive...

CVE-2026-61720 FluidSynth: SF2 DMOD Chunk Unsigned Underflow

FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From 2.5.0 until 2.5.6, the SF2 parser computes the DMOD modulator count as chunk.size / SFMODSIZE - 1 without rejecting chunks smaller than one record. A crafted SF2 file containing a zero-sized DMOD chunk makes the...

[SECURITY] Fedora 42 Update: fluidsynth-2.4.8-2.fc42

FluidSynth is a real-time software synthesizer based on the SoundFont 2 specifications. It is a "software synthesizer". FluidSynth can read MIDI even ts from the MIDI input device and render them to the audio device. It features real-time effect modulation using SoundFont 2.01 modulators, and a...

FluidSynth: Remote code execution

Background FluidSynth is a real-time synthesizer based on the Soundfont 2 specifications. Description FluidSynth contains a use-after-free in sfloader/fluidsffile.c which occurs when parsing Soundfile 2 files. Impact A remote attacker could entice a user to open a specially crafted Soundfont 2 fi...

CVE-2021-21417

fluidsynth is a software synthesizer based on the SoundFont 2 specifications. A use after free violation was discovered in fluidsynth, that can be triggered when loading an invalid SoundFont file...

CVE-2021-21417 Use after free in fluidsynth

fluidsynth is a software synthesizer based on the SoundFont 2 specifications. A use after free violation was discovered in fluidsynth, that can be triggered when loading an invalid SoundFont file...