{"id":"CLSA-2026-1790035964","summary":"flatpak: Fix of CVE-2026-90616","details":"- CVE-2026-90616: flatpak_ensure_data_dir and flatpak_run_setup_base_argv\n  resolved the app data subdirectories by path, so an app could replace them\n  with symlinks between runs and have them followed during the next sandbox\n  setup; both now resolve them with glnx_chase_and_mkdirat()/glnx_chaseat()\n  confined beneath the app data directory\n- Update the bundled libglnx with the glnx_chaseat API the above fix needs\n- Carry the upstream regression test for the above fix","modified":"2026-10-26T09:30:49.022286389Z","published":"2026-09-22T00:12:54Z","upstream":["CVE-2026-90616"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1790035964.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90616"}],"affected":[{"package":{"name":"flatpak","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/flatpak?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.9-4.el9_6.tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790035964.json"}},{"package":{"name":"flatpak-devel","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/flatpak-devel?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.9-4.el9_6.tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790035964.json"}},{"package":{"name":"flatpak-libs","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/flatpak-libs?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.9-4.el9_6.tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790035964.json"}},{"package":{"name":"flatpak-selinux","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/flatpak-selinux?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.9-4.el9_6.tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790035964.json"}},{"package":{"name":"flatpak-session-helper","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/flatpak-session-helper?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.9-4.el9_6.tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790035964.json"}},{"package":{"name":"flatpak-tests","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/flatpak-tests?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.9-4.el9_6.tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790035964.json"}}],"schema_version":"1.9.0"}