{"id":"RLSA-2021:4042","summary":"Important: flatpak security update","details":"Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.\n\nSecurity Fix(es):\n\n* flatpak: Sandbox bypass via recent VFS-manipulating syscalls (CVE-2021-41133)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-02-04T07:40:27.087248Z","published":"2021-11-01T13:11:58Z","upstream":["CVE-2021-41133"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:4042"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2012245"}],"affected":[{"package":{"name":"flatpak","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/flatpak?distro=rocky-linux-8-4-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.8.5-4.el8_4"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:4042.json"}},{"package":{"name":"flatpak","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/flatpak?distro=rocky-linux-8-5-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.8.5-4.el8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:4042.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}