CVE-2026-34079
high
CVSS v3
—
CVSS v4 NEW
—
VIR risk
8.0
Description
RHSA-2026:21756: flatpak security update (Important)
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.16.6-1~deb13u1 |
| sid | Fixed | 1.16.4-1 |
| forky | Fixed | 1.16.4-1 |
| bullseye | Affected | — |
| bookworm | Fixed | 1.14.10-1~deb12u2 |
AlmaLinux Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | flatpak-libs-1.12.9-4.el9_8.1.i686.rpm |
| 8 | Fixed | flatpak-session-helper-1.12.9-4.el8_10.i686.rpm |
Red Hat Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | — |
| 8 | Fixed | — |
References
- https://security-tracker.debian.org/tracker/CVE-2026-34079
- https://www.suse.com/security/cve/CVE-2026-34079.html
- https://access.redhat.com/errata/RHSA-2026:21756
- https://bugzilla.redhat.com/2456276
- https://bugzilla.redhat.com/2456284
- https://errata.almalinux.org/8/ALSA-2026-21756.html
- https://access.redhat.com/errata/RHSA-2026:21755
- https://errata.almalinux.org/9/ALSA-2026-21755.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.