# CVE-2020-27348: snapcraft: In some conditions, a snap package built by snapcraft includes the current directory in LD_LIBRARY_PATH, allowing a m...

CVE-2020-27348 is fixed in 3 products on 1 platform, first by snapcraft 2.43.1+18.04.1, released December 3, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-27348
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0070
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 3, 2020

## Description

In some conditions, a snap package built by snapcraft includes the current directory in LD_LIBRARY_PATH, allowing a malicious snap to gain code execution within the context of another snap if both plug the home interface or similar. This issue affects snapcraft versions prior to 4.4.4, prior to 2.43.1+16.04.1, and prior to 2.43.1+18.04.1.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | snapcraft Ubuntu 18.04.6 LTS (bionic) | 2.43.1+18.04.1 | [snapcraft 2.43.1+18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapcraft-2.43.1-18.04.1.md) | Dec 3, 2020 |
| Linux | snapcraft-examples Ubuntu 18.04.6 LTS (bionic) | 2.43.1+18.04.1 | [snapcraft-examples 2.43.1+18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapcraft-examples-2.43.1-18.04.1.md) | Dec 3, 2020 |
| Linux | snapcraft-parser Ubuntu 18.04.6 LTS (bionic) | 2.43.1+18.04.1 | [snapcraft-parser 2.43.1+18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapcraft-parser-2.43.1-18.04.1.md) | Dec 3, 2020 |

---

Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
