flatpak: flatpak: Arbitrary write access as root via extra-data extraction

A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extractextradata. On system installs, the write happens as root. Two issues combine: files/extra is resolved via path operations that follow symlinks, and blob nam...

RHEL 9 : flatpak (RHSA-2026:92369)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:92369 advisory. Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fixes: flatpak: Flatpak:...

flatpak: flatpak: Arbitrary write access as root via extra-data extraction

A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extractextradata. On system installs, the write happens as root. Two issues combine: files/extra is resolved via path operations that follow symlinks, and blob nam...

flatpak: flatpak: Arbitrary write access as root via extra-data extraction

A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extractextradata. On system installs, the write happens as root. Two issues combine: files/extra is resolved via path operations that follow symlinks, and blob nam...

Important: Red Hat Security Advisory: flatpak security update

An update for flatpak is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. 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...

flatpak: flatpak: Arbitrary write access as root via extra-data extraction

A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extractextradata. On system installs, the write happens as root. Two issues combine: files/extra is resolved via path operations that follow symlinks, and blob nam...

flatpak: flatpak: Arbitrary write access as root via extra-data extraction

A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extractextradata. On system installs, the write happens as root. Two issues combine: files/extra is resolved via path operations that follow symlinks, and blob nam...

flatpak: flatpak: Arbitrary write access as root via extra-data extraction

A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extractextradata. On system installs, the write happens as root. Two issues combine: files/extra is resolved via path operations that follow symlinks, and blob nam...

flatpak: flatpak: Arbitrary write access as root via extra-data extraction

A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extractextradata. On system installs, the write happens as root. Two issues combine: files/extra is resolved via path operations that follow symlinks, and blob nam...

flatpak security update

1.16.0-9.4 - Avoid symlink path traversal in revokefs writer CVE-2026-96808 Resolves: RHEL-267891 - Prevent arbitrary write as root via extra-data extraction CVE-2026-96275 Resolves: RHEL-267432 - Use gsize for OCI delta sizes and harden delta parser CVE-2026-96280 Resolves: RHEL-271519 1.16.0-9....

flatpak security update

1.12.9-4.4 - Use gsize for OCI delta sizes and harden delta parser CVE-2026-96280 Resolves: RHEL-271518 1.12.9-4.3 - Avoid symlink path traversal in revokefs writer CVE-2026-96808 Resolves: RHEL-267902 - Prevent arbitrary write as root via extra-data extraction CVE-2026-96275 Resolves: RHEL-26743...

Security update for flatpak

This update for flatpak fixes the following issues: CVE-2026-90616: missing symlink protection allows a malicious sandboxed app to obtain arbitrary read and write access to files on the host bsc1280236. CVE-2026-92162: path traversal via unvalidated arch parameter in DeployAppstream bsc1282514...