RHSA-2026:21756
RHSA-2026:21756 · Red Hat Security Advisory: flatpak security update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Red Hat Security Advisory: flatpak security update
CVSS 9.0 · Critical · Fix available
- Published
- Updated
Stack: system
Affected products and versions
flatpak Red Hat:enterprise_linux:8::appstream
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-debuginfo Red Hat:enterprise_linux:8::appstream
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-debugsource Red Hat:enterprise_linux:8::appstream
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-libs Red Hat:enterprise_linux:8::appstream
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-libs-debuginfo Red Hat:enterprise_linux:8::appstream
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-selinux Red Hat:enterprise_linux:8::appstream
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-session-helper Red Hat:enterprise_linux:8::appstream
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-session-helper-debuginfo Red Hat:enterprise_linux:8::appstream
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-tests-debuginfo Red Hat:enterprise_linux:8::appstream
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak Red Hat:enterprise_linux:8::crb
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-debuginfo Red Hat:enterprise_linux:8::crb
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-debugsource Red Hat:enterprise_linux:8::crb
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-devel Red Hat:enterprise_linux:8::crb
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-libs-debuginfo Red Hat:enterprise_linux:8::crb
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-session-helper Red Hat:enterprise_linux:8::crb
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-session-helper-debuginfo Red Hat:enterprise_linux:8::crb
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
flatpak-tests-debuginfo Red Hat:enterprise_linux:8::crb
- Affected ranges
- ECOSYSTEM: < 0:1.12.9-4.el8_10
Update to 0:1.12.9-4.el8_10
Original sources
- https://access.redhat.com/errata/RHSA-2026:21756
- https://access.redhat.com/security/updates/classification/#important
- https://bugzilla.redhat.com/show_bug.cgi?id=2456276
- https://bugzilla.redhat.com/show_bug.cgi?id=2456284
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_21756.json
- https://access.redhat.com/security/cve/CVE-2026-34078
- https://www.cve.org/CVERecord?id=CVE-2026-34078
- https://nvd.nist.gov/vuln/detail/CVE-2026-34078
- https://github.com/flatpak/flatpak/security/advisories/GHSA-cc2q-qc34-jprg
- https://access.redhat.com/security/cve/CVE-2026-34079
- https://www.cve.org/CVERecord?id=CVE-2026-34079
- https://nvd.nist.gov/vuln/detail/CVE-2026-34079
- https://github.com/flatpak/flatpak/security/advisories/GHSA-p29x-r292-46pp
- https://osv.dev/vulnerability/RHSA-2026:21756