Description
Synaesthesia 2.1 and earlier, and possibly other versions, when installed setuid root, does not drop privileges before processing configuration and mixer files, which allows local users to read arbitrary files.
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 3.0 | synaesthesia | 2.1-2.1woody3 | DSA-681-1 |
Advisories 1
- DSA-681-1 synaesthesia - privilege escalation Debian Security (DSA / DLA) · Mar 9, 2026