Critical [CVE-2026-48163] Arbitrary code execution via improper parameter validation during SST
This critical-severity Red Hat Linux advisory covers CVE-2026-48163 affecting Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Hardened Images.
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Summary
Arbitrary code execution via improper parameter validation during SST. Red Hat rates this important (CVSS 9.1).
Weakness: CWE-78. Affected package(s): mariadb10.11, mariadb11, galera, mariadb:11.8, mariadb11.8, mariadb:10.11.
Resolved in Red Hat advisory RHSA-2026:33093 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Hardened Images; Red Hat Enterprise Linux 10.0 Extended Update Support.
- mariadb10.11-3:10.11.18-1.el10_2
- mariadb11-8-main-11.8.8-1.hum1
- galera-0:26.4.27-1.el10_2
- mariadb:11.8-9080020260612104015.rhel9
- mariadb11.8-3:11.8.8-1.el10_2
- mariadb:10.11-8100020260616102001.489197e6
- mariadb:10.11-9080020260612103452.rhel9
- mariadb10-11-main-10.11.18-1.hum1
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:33093
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:33093 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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