# smarty3 3.1.31+20161214.1.c7d42e4+selfpack1-3ubuntu0.1: smarty3 3.1.31+20161214.1.c7d42e4+selfpack1-3ubuntu0.1 for Ubuntu 18.04.6 LTS (bionic)

smarty3 3.1.31+20161214.1.c7d42e4+selfpack1-3ubuntu0.1, released January 10, 2022, fixes 6 CVEs in smarty3. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-bionic-smarty3-3.1.31-20161214.1.c7d42e4-selfpack1-3ubuntu0.1
- Platform: Linux
- Released: Jan 10, 2022
- Priority: High (Closes CVE-2021-21408, high severity)
- CVEs: 6, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [smarty3](https://patchblox.com/security/data/product/linux/smarty3.md) | Ubuntu 18.04.6 LTS (bionic) | 3.1.31+20161214.1.c7d42e4+selfpack1-3ubuntu0.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-21408](https://patchblox.com/security/data/cve/CVE-2021-21408.md) | High | smarty3: Smarty is a template engine for PHP, facilitating the separation ofpresentation (HTML/CSS) from application logic | 8.8 | 0.0214 |  |
| [CVE-2021-29454](https://patchblox.com/security/data/cve/CVE-2021-29454.md) | High | smarty3: Smarty is a template engine for PHP, facilitating the separation ofpresentation (HTML/CSS) from application logic | 8.8 | 0.0186 |  |
| [CVE-2021-26120](https://patchblox.com/security/data/cve/CVE-2021-26120.md) | Routine | smarty3: Smarty before 3.1.39 allows code injection via an unexpected function name after a {function name= substring. | n/a | 0.8232 |  |
| [CVE-2021-26119](https://patchblox.com/security/data/cve/CVE-2021-26119.md) | Routine | smarty3: Smarty before 3.1.39 allows a Sandbox Escape because $smarty.template_object can be accessed in sandbox mode. | n/a | 0.0849 |  |
| [CVE-2018-13982](https://patchblox.com/security/data/cve/CVE-2018-13982.md) | Routine | smarty3: Smarty_Security::isTrustedResourceDir() in Smarty before 3.1.33 is prone to a path traversal vulnerability due to ins... | n/a | 0.0346 |  |
| [CVE-2018-16831](https://patchblox.com/security/data/cve/CVE-2018-16831.md) | Routine | smarty3: Smarty before 3.1.33-dev-4 allows attackers to bypass the trusted_dir protection mechanism via a file:./../ substring... | n/a | 0.0266 |  |

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Data as of 2026-11-13T14:02:24Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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