Description
The changelog command in Apt before 1.0.9.2 allows local users to write to arbitrary files via a symlink attack on the changelog file.
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 | apt | 1.0.9.2 | — |
| Debian 13 | apt | 1.0.9.2 | — |
| Debian 12 | apt | 1.0.9.2 | — |
| Debian 7 | apt | 0.9.7.9+deb7u6 | DSA-3048-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | apt | 1.0.1ubuntu2.5 | USN-2370-1 |
Advisories 2
- USN-2370-1 apt vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3048-1 apt - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- 61333 third-party-advisory
- DSA-3048 vendor-advisory
- 61768 third-party-advisory
- 61158 third-party-advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=763780
- 70310 vdb-entry
- USN-2370-1 vendor-advisory
- apt-cve20147206-symlink(96951) vdb-entry