CVE-2026-21948
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.5
Description
RHSA-2026:6391: mysql:8.4 security update (Moderate)
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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rocky | 8 | fixed | |
| rhel | 9 | fixed | |
| sles | affected | | |
| rocky | 9 | fixed | |
| debian | sid | fixed | 8.0.45-1 |
| almalinux | 9 | fixed | mysql-test-8.4.8-1.module_el9.7.0+219+aca48cd3.aarch64.rpm |
| almalinux | 8 | fixed | mysql-devel-8.0.45-1.module_el8.10.0+4142+0b28b031.aarch64.rpm |
| rhel | 8 | fixed | |
References
- https://errata.rockylinux.org/RLSA-2026:6391
- https://errata.rockylinux.org/RLSA-2026:5580
- https://access.redhat.com/errata/RHSA-2026:4828
- https://access.redhat.com/errata/RHSA-2026:5640
- https://www.suse.com/security/cve/CVE-2026-21948.html
- https://errata.rockylinux.org/RLSA-2026:5640
- https://errata.rockylinux.org/RLSA-2026:4828
- https://security-tracker.debian.org/tracker/CVE-2026-21948
- https://access.redhat.com/errata/RHSA-2026:6391
- https://bugzilla.redhat.com/2431384
- https://bugzilla.redhat.com/2431385
- https://bugzilla.redhat.com/2431402
- https://bugzilla.redhat.com/2431409
- https://bugzilla.redhat.com/2431413
- https://bugzilla.redhat.com/2431431
- https://errata.almalinux.org/8/ALSA-2026-6391.html
- https://access.redhat.com/errata/RHSA-2026:5580
- https://errata.almalinux.org/8/ALSA-2026-5580.html
- https://errata.almalinux.org/9/ALSA-2026-5640.html
- https://errata.almalinux.org/9/ALSA-2026-4828.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.