CVE-2026-4408
critical
CVSS v3
9.0
CVSS v4 NEW
—
VIR risk
9.0
Description
Important: samba security update
Predictions
Exploit likelihood
93%
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 | 2:4.22.8+dfsg-0+deb13u2 |
| sid | Fixed | 2:4.24.3+dfsg-1 |
| forky | Fixed | 2:4.24.3+dfsg-1 |
| bullseye | Affected | — |
| bookworm | Fixed | 2:4.17.12+dfsg-0+deb12u4 |
AlmaLinux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | samba-pidl-4.19.4-16.el8_10.noarch.rpm |
Red Hat Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | — |
References
- https://www.suse.com/security/cve/CVE-2026-4408.html
- https://security-tracker.debian.org/tracker/CVE-2026-4408
- https://access.redhat.com/security/cve/CVE-2026-4408
- https://bugzilla.redhat.com/show_bug.cgi?id=2479762
- https://bugzilla.samba.org/show_bug.cgi?id=16034
- https://access.redhat.com/errata/RHSA-2026:22644
- https://bugzilla.redhat.com/2447319
- https://bugzilla.redhat.com/2452232
- https://bugzilla.redhat.com/2479762
- https://errata.almalinux.org/8/ALSA-2026-22644.html
CWEs
CWE-78
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.