| Name | CVE-2026-58264 |
| Description | heap-based buffer overrun in command handler |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| fluidsynth (PTS) | bullseye | 2.1.7-1.1 | vulnerable |
| bookworm | 2.3.1-2 | vulnerable |
| trixie | 2.4.4+dfsg-1+deb13u2 | vulnerable |
| forky, sid | 2.5.6+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| fluidsynth | source | (unstable) | 2.5.6+dfsg-1 | | | |
Notes
https://github.com/FluidSynth/fluidsynth/security/advisories/GHSA-mqmq-w63q-cj94
https://github.com/FluidSynth/fluidsynth/pull/1796
Introduced with: https://github.com/FluidSynth/fluidsynth/commit/8131539ad6c37a832bd67ee26791ef8e28259423 (v1.1.2)
Fixed by: https://github.com/FluidSynth/fluidsynth/commit/762a3bd39a431cd45abf3bbcce7286c87909d087 (v2.5.6)