# CVE-2019-10063: flatpak: Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.  Security Fix(es...

CVE-2019-10063 is fixed in 5 products on 1 platform, first by flatpak 1.0.8-0ubuntu0.18.04.1, released March 26, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-10063
- Priority: High
- CVSS: 9.0 (Important)
- EPSS: 0.0191
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 26, 2019

## Description

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.  Security Fix(es):  * flatpak: Sandbox bypass via IOCSTI (incomplete fix for CVE-2017-5226) (CVE-2019-10063)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | flatpak RHEL 8 | 0:1.0.6-3.el8_0 | [RHSA-2019:1143](https://patchblox.com/security/data/fix/linux/rhsa-2019-1143.md) | May 13, 2019 |
| Linux | flatpak Ubuntu 18.04.6 LTS (bionic) | 1.0.8-0ubuntu0.18.04.1 | [flatpak 1.0.8-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-flatpak-1.0.8-0ubuntu0.18.04.1.md) | Mar 26, 2019 |
| Linux | flatpak ol 8 | 0:1.0.6-3.el8_0 | [ELSA-2019-1143](https://patchblox.com/security/data/fix/linux/elsa-2019-1143.md) | Jul 30, 2019 |
| Linux | flatpak-libs RHEL 8 | 0:1.0.6-3.el8_0 | [RHSA-2019:1143](https://patchblox.com/security/data/fix/linux/rhsa-2019-1143.md) | May 13, 2019 |
| Linux | flatpak-libs ol 8 | 0:1.0.6-3.el8_0 | [ELSA-2019-1143](https://patchblox.com/security/data/fix/linux/elsa-2019-1143.md) | Jul 30, 2019 |
| Linux | flatpak-tests Ubuntu 18.04.6 LTS (bionic) | 1.0.8-0ubuntu0.18.04.1 | [flatpak-tests 1.0.8-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-flatpak-tests-1.0.8-0ubuntu0.18.04.1.md) | Mar 26, 2019 |
| Linux | gir1.2-flatpak-1.0 Ubuntu 18.04.6 LTS (bionic) | 1.0.8-0ubuntu0.18.04.1 | [gir1.2-flatpak-1.0 1.0.8-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-flatpak-1.0-1.0.8-0ubuntu0.18.04.1.md) | Mar 26, 2019 |
| Linux | libflatpak0 Ubuntu 18.04.6 LTS (bionic) | 1.0.8-0ubuntu0.18.04.1 | [libflatpak0 1.0.8-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libflatpak0-1.0.8-0ubuntu0.18.04.1.md) | Mar 26, 2019 |

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Data as of 2026-11-07T18:46:35Z 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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