RLSA-2026:80498

Security

Mirrored from RHSA-2026:80498

Issued at: 2026-10-13

Updated at: 2026-10-14

Advisory content derived from Red Hat RHSA-2026:80498, © Red Hat, Inc., used under CC BY 4.0, with modifications.

Synopsis

Important: flatpak security update

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.

Affected products

Rocky Linux 10 aarch64

Rocky Linux 10 ppc64le

Rocky Linux 10 riscv64

Rocky Linux 10 s390x

Rocky Linux 10 x86_64

Fixes

2532613

2539416

2539419

2539569

CVEs

CVE-2026-90616

CVE-2026-96275

CVE-2026-96280

CVE-2026-96808

Affected packages

Rocky Linux 10 aarch64 - AppStream

flatpak-0:1.16.0-9.el10_2.4.aarch64.rpm

flatpak-session-helper-0:1.16.0-9.el10_2.4.aarch64.rpm

flatpak-libs-0:1.16.0-9.el10_2.4.aarch64.rpm

flatpak-debugsource-0:1.16.0-9.el10_2.4.aarch64.rpm

flatpak-0:1.16.0-9.el10_2.4.src.rpm

flatpak-debuginfo-0:1.16.0-9.el10_2.4.aarch64.rpm

flatpak-selinux-0:1.16.0-9.el10_2.4.noarch.rpm

flatpak-libs-debuginfo-0:1.16.0-9.el10_2.4.aarch64.rpm

flatpak-session-helper-debuginfo-0:1.16.0-9.el10_2.4.aarch64.rpm

Rocky Linux 10 s390x - CRB

flatpak-devel-0:1.16.0-9.el10_2.4.s390x.rpm

Rocky Linux 10 s390x - AppStream

flatpak-session-helper-debuginfo-0:1.16.0-9.el10_2.4.s390x.rpm

flatpak-libs-0:1.16.0-9.el10_2.4.s390x.rpm

flatpak-0:1.16.0-9.el10_2.4.src.rpm

flatpak-session-helper-0:1.16.0-9.el10_2.4.s390x.rpm

flatpak-debugsource-0:1.16.0-9.el10_2.4.s390x.rpm

flatpak-selinux-0:1.16.0-9.el10_2.4.noarch.rpm

flatpak-libs-debuginfo-0:1.16.0-9.el10_2.4.s390x.rpm

flatpak-0:1.16.0-9.el10_2.4.s390x.rpm

flatpak-debuginfo-0:1.16.0-9.el10_2.4.s390x.rpm

Rocky Linux 10 ppc64le - AppStream

flatpak-0:1.16.0-9.el10_2.4.src.rpm

flatpak-debuginfo-0:1.16.0-9.el10_2.4.ppc64le.rpm

flatpak-libs-0:1.16.0-9.el10_2.4.ppc64le.rpm

flatpak-libs-debuginfo-0:1.16.0-9.el10_2.4.ppc64le.rpm

flatpak-debugsource-0:1.16.0-9.el10_2.4.ppc64le.rpm

flatpak-session-helper-0:1.16.0-9.el10_2.4.ppc64le.rpm

flatpak-session-helper-debuginfo-0:1.16.0-9.el10_2.4.ppc64le.rpm

flatpak-selinux-0:1.16.0-9.el10_2.4.noarch.rpm

flatpak-0:1.16.0-9.el10_2.4.ppc64le.rpm

Rocky Linux 10 riscv64 - AppStream

flatpak-0:1.16.0-9.el10_2.4.src.rpm

flatpak-selinux-0:1.16.0-9.el10_2.4.noarch.rpm

Rocky Linux 10 x86_64 - AppStream

flatpak-0:1.16.0-9.el10_2.4.src.rpm

flatpak-debuginfo-0:1.16.0-9.el10_2.4.x86_64.rpm

flatpak-libs-debuginfo-0:1.16.0-9.el10_2.4.x86_64.rpm

flatpak-0:1.16.0-9.el10_2.4.x86_64.rpm

flatpak-selinux-0:1.16.0-9.el10_2.4.noarch.rpm

flatpak-session-helper-0:1.16.0-9.el10_2.4.x86_64.rpm

flatpak-session-helper-debuginfo-0:1.16.0-9.el10_2.4.x86_64.rpm

flatpak-debugsource-0:1.16.0-9.el10_2.4.x86_64.rpm

flatpak-libs-0:1.16.0-9.el10_2.4.x86_64.rpm

Rocky Linux 10 aarch64 - CRB

flatpak-devel-0:1.16.0-9.el10_2.4.aarch64.rpm

Rocky Linux 10 ppc64le - CRB

flatpak-devel-0:1.16.0-9.el10_2.4.ppc64le.rpm

Rocky Linux 10 x86_64 - CRB

flatpak-devel-0:1.16.0-9.el10_2.4.x86_64.rpm