{"schema_version": "1.7.0", "id": "RLSA-2026:98595", "modified": "2026-11-13T12:07:24.033803Z", "published": "2026-11-13T12:06:37.188502Z", "upstream": ["CVE-2026-90616", "CVE-2026-96275", "CVE-2026-96280", "CVE-2026-96808", "CVE-2026-97023", "CVE-2026-97024"], "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\n* flatpak: flatpak: Arbitrary file deletion in root context via path traversal in deploy directory export/bin (CVE-2026-97023)\n\n* flatpak: flatpak: Arbitrary write in root context via path traversal in deploy directory files/etc (CVE-2026-97024)\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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:10", "name": "flatpak-debugsource", "purl": "pkg:rpm/rocky-linux/flatpak-debugsource?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.18.0-2.el10_3.4"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "flatpak-libs", "purl": "pkg:rpm/rocky-linux/flatpak-libs?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.18.0-2.el10_3.4"}], "database_specific": 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