Description
TuxGuitar is an open-source guitar tablature editor. Prior to 2.1.0, an untrusted .tg file can set gervil.soundbank.path to reference an on-disk archive, including the .tg file itself, whose META-INF/services/javax.sound.midi.Soundbank entry names an attacker-supplied class stored in that archive. When a user opens the file, JARSoundbankReader uses an unverified class loader to load and instantiate that class, executing its constructor with the privileges of the TuxGuitar process. This issue is fixed in version 2.1.0.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| helge17 | tuxguitar | < 2.1.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | tuxguitar | 2.1.1+dfsg1-1 | — |
| Debian 13 | tuxguitar | No fix yet | — |
| Debian 12 | tuxguitar | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | tuxguitar | No fix yet | — |
| Ubuntu 26.04 LTS | tuxguitar | No fix yet | — |
| Ubuntu 24.04 LTS | tuxguitar | No fix yet | — |
| Ubuntu 22.04 LTS | tuxguitar | No fix yet | — |
| Ubuntu 20.04 LTS | tuxguitar | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | tuxguitar | No fix yet | — |
| Ubuntu 16.04 LTS | tuxguitar | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | tuxguitar | 2.1.0-1.1 | openSUSE-SU-2026:11645-1 |
Advisories 1
- openSUSE-SU-2026:11645-1 tuxguitar-2.1.0-1.1 on GA media SUSE / openSUSE Security Updates · Aug 30, 2026