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OpenAdvisories
High RHSA-2021:4042 1 CVE

Red Hat Security Advisory: flatpak security update

Published Sep 16, 2024 · Updated Nov 22, 2025

Ecosystem: Red Hat

Fixed packages 9

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::appstream flatpak 0:1.8.5-4.el8_4
Red Hat · RHEL 8 enterprise_linux:8::appstream flatpak-debuginfo 0:1.8.5-4.el8_4
Red Hat · RHEL 8 enterprise_linux:8::appstream flatpak-debugsource 0:1.8.5-4.el8_4
Red Hat · RHEL 8 enterprise_linux:8::appstream flatpak-libs 0:1.8.5-4.el8_4
Red Hat · RHEL 8 enterprise_linux:8::appstream flatpak-libs-debuginfo 0:1.8.5-4.el8_4
Red Hat · RHEL 8 enterprise_linux:8::appstream flatpak-selinux 0:1.8.5-4.el8_4
Red Hat · RHEL 8 enterprise_linux:8::appstream flatpak-session-helper 0:1.8.5-4.el8_4
Red Hat · RHEL 8 enterprise_linux:8::appstream flatpak-session-helper-debuginfo 0:1.8.5-4.el8_4
Red Hat · RHEL 8 enterprise_linux:8::appstream flatpak-tests-debuginfo 0:1.8.5-4.el8_4

Vulnerabilities 1

  • High 8.8
    CVE-2021-41133

    Sandbox bypass via recent VFS-manipulating syscalls

    Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In versions prior to 1.10.4 and 1.12.0, Flatpak apps with direct access to AF_UNIX sockets such as those used by Wayland, Pipewire or pipewire-pulse can trick…

    Flatpak Flatpak flatpak flatpak Debian Ubuntu Alpine

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • article
    https://github.com/flatpak/flatpak/security/advisories/GHSA-67h7-w3jq-vh4q
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2012245
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_4042.json
  • report
    https://access.redhat.com/security/cve/CVE-2021-41133
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-41133
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-41133