Description
The tpkg-* scripts in the toolchain-source 3.0.4 package on Debian GNU/Linux 3.0 allow local users to overwrite arbitrary files via a symlink attack on temporary 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 | toolchain-source | 3.0.4-1woody1 | DSA-679-1 |
Advisories 1
- DSA-679-1 toolchain-source - insecure temporary files Debian Security (DSA / DLA) · Mar 9, 2026
References
- 14277 third-party-advisory
- 12540 vdb-entry
- DSA-679 vendor-advisory
- toolchain-source-symlink(19317) vdb-entry