Red Hat Security Advisory: galera and mariadb11.8 security, bug fix, and enhancement update
A security advisory from Red Hat addresses a vulnerability in MariaDB Server that allows arbitrary code execution via the wsrep_notify_cmd component (CVE-2026-49261). This issue affects MariaDB as included in Red Hat Enterprise Linux 10 and related variants. The advisory also includes bug fixes and enhancements, rebasing MariaDB to version 11.8.8 and Galera to 26.4.27. The vulnerability is rated with high severity by Red Hat Product Security. The advisory provides updated packages to remediate the issue.
AI Analysis
Technical Summary
The Red Hat security advisory RHSA-2026:33412 reports a high severity vulnerability (CVE-2026-49261) in MariaDB Server that allows arbitrary code execution through the wsrep_notify_cmd interface. This vulnerability is addressed by updating MariaDB to version 11.8.8 in Red Hat Enterprise Linux 10. The advisory also includes rebasing Galera to version 26.4.27. No CVSS score is provided in the advisory. The update is available for multiple architectures and variants of RHEL 10. The advisory references Red Hat's official errata and update articles for applying the fix.
Potential Impact
Successful exploitation of CVE-2026-49261 could allow an attacker to execute arbitrary code on the affected MariaDB Server, potentially compromising the system. This represents a significant security risk given the database server's role in managing critical data. The advisory rates the security impact as Important (high severity). No known exploits in the wild have been reported at the time of the advisory.
Mitigation Recommendations
Red Hat has released updated packages rebasing MariaDB to version 11.8.8 and Galera to 26.4.27 for Red Hat Enterprise Linux 10 to address this vulnerability. Users should apply these official updates as provided by Red Hat to remediate the issue. For detailed update instructions, refer to Red Hat's official article at https://access.redhat.com/articles/11258. Patch status is confirmed as available and official fixes are provided.
Red Hat Security Advisory: galera and mariadb11.8 security, bug fix, and enhancement update
Description
A security advisory from Red Hat addresses a vulnerability in MariaDB Server that allows arbitrary code execution via the wsrep_notify_cmd component (CVE-2026-49261). This issue affects MariaDB as included in Red Hat Enterprise Linux 10 and related variants. The advisory also includes bug fixes and enhancements, rebasing MariaDB to version 11.8.8 and Galera to 26.4.27. The vulnerability is rated with high severity by Red Hat Product Security. The advisory provides updated packages to remediate the issue.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Red Hat security advisory RHSA-2026:33412 reports a high severity vulnerability (CVE-2026-49261) in MariaDB Server that allows arbitrary code execution through the wsrep_notify_cmd interface. This vulnerability is addressed by updating MariaDB to version 11.8.8 in Red Hat Enterprise Linux 10. The advisory also includes rebasing Galera to version 26.4.27. No CVSS score is provided in the advisory. The update is available for multiple architectures and variants of RHEL 10. The advisory references Red Hat's official errata and update articles for applying the fix.
Potential Impact
Successful exploitation of CVE-2026-49261 could allow an attacker to execute arbitrary code on the affected MariaDB Server, potentially compromising the system. This represents a significant security risk given the database server's role in managing critical data. The advisory rates the security impact as Important (high severity). No known exploits in the wild have been reported at the time of the advisory.
Mitigation Recommendations
Red Hat has released updated packages rebasing MariaDB to version 11.8.8 and Galera to 26.4.27 for Red Hat Enterprise Linux 10 to address this vulnerability. Users should apply these official updates as provided by Red Hat to remediate the issue. For detailed update instructions, refer to Red Hat's official article at https://access.redhat.com/articles/11258. Patch status is confirmed as available and official fixes are provided.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:33412
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a4452eb27e9c797198e37b7
Added to database: 06/30/2026, 23:36:11 UTC
Last enriched: 06/30/2026, 23:53:30 UTC
Last updated: 07/01/2026, 00:11:23 UTC
Views: 2
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