RHSA-2026:92369 — Security Advisory
Red Hat Security Advisory: flatpak security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · October 29, 2026
Updated · November 2, 2026
Topic
An update for flatpak is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.
Security Fix(es):
-
flatpak: Flatpak: Arbitrary code execution via missing symlink protection (CVE-2026-90616)
-
flatpak: flatpak: Arbitrary write access as root via extra-data extraction (CVE-2026-96275)
-
flatpak: flatpak: Buffer overflow in OCI delta stream path names on 32-bit systems (CVE-2026-96280)
-
flatpak: Flatpak: Local privilege escalation via symlink traversal in revokefs writer (CVE-2026-96808)
For 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.