CVE-2021-21417
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Mitigation details
CVE-2021-21417 NameCVE-2021-21417 Descriptionfluidsynth 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. SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search,…
CVE-2021-21417
| Name | CVE-2021-21417 |
| Description | 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. |
| 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) |
| References | DLA-2697-1 |
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 | fixed |
| bookworm | 2.3.1-2 | fixed | |
| trixie | 2.4.4+dfsg-1+deb13u2 | fixed | |
| forky, sid | 2.5.4+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 | stretch | 1.1.6-4+deb9u1 | DLA-2697-1 | ||
| fluidsynth | source | buster | 1.1.11-1+deb10u1 | |||
| fluidsynth | source | (unstable) | 2.1.7-1.1 |
Notes
https://github.com/FluidSynth/fluidsynth/issues/808
https://github.com/FluidSynth/fluidsynth/security/advisories/GHSA-6fcq-pxhc-jxc9
Apply commands
https://github.com/FluidSynth/fluidsynth/issues/808https://github.com/FluidSynth/fluidsynth/security/advisories/GHSA-6fcq-pxhc-jxc9OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.1.7-1.1 |
| sid | Fixed | 2.1.7-1.1 |
| forky | Fixed | 2.1.7-1.1 |
| bullseye | Fixed | 2.1.7-1.1 |
| bookworm | Fixed | 2.1.7-1.1 |
References
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.