Description
Smarty before 3.1.33-dev-4 allows attackers to bypass the trusted_dir protection mechanism via a file:./../ substring in an include statement.
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 | smarty3 | 3.1.33+20180830.1.3a78a21f+selfpack1-1 | — |
| Debian 13 | smarty3 | 3.1.33+20180830.1.3a78a21f+selfpack1-1 | — |
| Debian 12 | smarty3 | 3.1.33+20180830.1.3a78a21f+selfpack1-1 | — |
| Debian 9 | smarty3 | 3.1.31+20161214.1.c7d42e4+selfpack1-2+deb9u2 | DLA-2618-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | smarty3 | 3.1.31+20161214.1.c7d42e4+selfpack1-3ubuntu0.1 | USN-5348-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | smarty/smarty | < 3.1.33 | 3.1.33 | GHSA-65j5-vpm7-6xp4 |
Advisories 2
- DLA-2618-1 smarty3 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-5348-1 smarty3 vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026