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5.0 Medium

CVE-2023-28101 Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux

Description

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In versions prior to 1.10.8, 1.12.8, 1.14.4, and 1.15.4, if an attacker publishes a Flatpak app with elevated permissions, they can hide those permissions from users of the `flatpak(1)` command-line interface by setting other permissions to crafted values that contain non-printable control characters such as `ESC`. A fix is available in versions 1.10.8, 1.12.8, 1.14.4, and 1.15.4. As a workaround, use a GUI like GNOME Software rather than the command-line interface, or only install apps whose maintainers you trust.

Affected products and versions

Product Affected versions Fixed in
flatpak 1.15 1.15.0 → < 1.15.4 1.15.4
flatpak 1.14 1.14.0 → < 1.14.4 1.14.4
flatpak 1.12 1.12.0 → < 1.12.8 1.12.8
flatpak 1.10 earliest → < 1.10.8 1.10.8

References

Timeline

  1. Published
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Other CVEs of flatpak

The 15 CVEs of flatpak →
CVE-2026-92162 Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux 7.2 High CVE-2026-96808 In Flatpak before 1.18.1, the revokefs writer, used by the flatpak-system-helper to receive repository data from… 7.4 High CVE-2026-96807 In Flatpak before 1.18.1, a malicious sandboxed app can replace ~/.var/app/$appid/.ld.so with a symlink, causing… 4.0 Medium CVE-2026-90616 In Flatpak before 1.18.1, a malicious sandboxed app can obtain arbitrary read and write access to files on the host,… 7.4 High
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