{"id":"RLSA-2026:80687","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: Flatpak: Arbitrary code execution via missing symlink protection (CVE-2026-90616)\n\n* flatpak: flatpak: Arbitrary write access as root via extra-data extraction (CVE-2026-96275)\n\n* flatpak: flatpak: Buffer overflow in OCI delta stream path names on 32-bit systems (CVE-2026-96280)\n\n* flatpak: Flatpak: Local privilege escalation via symlink traversal in revokefs writer (CVE-2026-96808)\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":"2026-10-13T12:30:02.892467525Z","published":"2026-10-13T12:01:18.594323Z","upstream":["CVE-2026-90616","CVE-2026-96275","CVE-2026-96280","CVE-2026-96808"],"database_specific":{"source_advisory":"RHSA-2026:80687","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:80687"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532613"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2539416"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2539419"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2539569"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:80687"}],"affected":[{"package":{"name":"flatpak","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/flatpak?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.12.9-7.el8_10"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:80687.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}