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OpenAdvisories
High RHSA-2021:1073 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 8.2 EUS rhel_eus:8.2::appstream flatpak 0:1.6.2-5.el8_2
Red Hat · RHEL 8.2 EUS rhel_eus:8.2::appstream flatpak-debuginfo 0:1.6.2-5.el8_2
Red Hat · RHEL 8.2 EUS rhel_eus:8.2::appstream flatpak-debugsource 0:1.6.2-5.el8_2
Red Hat · RHEL 8.2 EUS rhel_eus:8.2::appstream flatpak-libs 0:1.6.2-5.el8_2
Red Hat · RHEL 8.2 EUS rhel_eus:8.2::appstream flatpak-libs-debuginfo 0:1.6.2-5.el8_2
Red Hat · RHEL 8.2 EUS rhel_eus:8.2::appstream flatpak-selinux 0:1.6.2-5.el8_2
Red Hat · RHEL 8.2 EUS rhel_eus:8.2::appstream flatpak-session-helper 0:1.6.2-5.el8_2
Red Hat · RHEL 8.2 EUS rhel_eus:8.2::appstream flatpak-session-helper-debuginfo 0:1.6.2-5.el8_2
Red Hat · RHEL 8.2 EUS rhel_eus:8.2::appstream flatpak-tests-debuginfo 0:1.6.2-5.el8_2

Vulnerabilities 1

  • High 7.1
    CVE-2021-21381

    Sandbox escape via special tokens in .desktop file

    Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In Flatpack since version 0.9.4 and before version 1.10.2 has a vulnerability in the "file forwarding" feature which can be used by an attacker to gain access…

    Flatpak Flatpak flatpak flatpak Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1936985
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_1073.json
  • report
    https://access.redhat.com/security/cve/CVE-2021-21381
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-21381
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-21381
  • article
    https://github.com/flatpak/flatpak/security/advisories/GHSA-xgh4-387p-hqpp