CVE-2019-8308

flatpak: potential /proc based sandbox escape

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Severity

Important

Red Hat Product Security

7.7

CVSS 3.0

Review impact separately from score.

Published · February 12, 2019

Updated · November 22, 2025

Description

A flaw was found in flatpak. In certain special cases, installing flatpak applications and runtimes system-wide may allow an attacker to escape the flatpak sandbox. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Statement

This flaw appears to impact systems in special cases involving installing flatpak applications and runtimes system-wide. Installation of flatpak applications and runtimes locally should not be impacted.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 7.7
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

CWE-672 · Operation on a Resource after Expiration or Release