RLSA-2026:99741: Important: mysql:8.4 security update

Published Nov 13, 2026
·
Updated

MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) and many client programs and libraries.

Security Fix(es):

mysql: mysql: system takeover via mysqldump component (CVE-2026-101797)

mysql: mysql: unauthorized server takeover (CVE-2026-101772)

mysql: mysql: Denial of Service in InnoDB component (CVE-2026-101724)

mysql: mysql: Denial of Service via client programs (CVE-2026-101754)

mysql: mysql: System takeover via client programs (CVE-2026-101770)

mysql: mysql: Denial of Service in Server Optimizer (CVE-2026-101732)

mysql: mysql: Denial of Service via server optimizer flaw (CVE-2026-101623)

mysql: mysql: Denial of Service via the Replication component (CVE-2026-101727)

mysql: mysql: Denial of Service via the audit component (CVE-2026-101748)

mysql: mysql: Denial of Service in InnoDB (CVE-2026-101747)

mysql: mysql: Denial of Service in InnoDB (CVE-2026-101617)

mysql: mysql: Denial of Service in Server Optimizer (CVE-2026-101607)

mysql: mysql: Complete server takeover via replication component (CVE-2026-101796)

mysql: mysql: Denial of Service (CVE-2026-101778)

mysql: MySQL Server: Denial of service in the Server Optimizer (CVE-2026-101731)

mysql: mysql: Denial of Service in Group Replication plugin (CVE-2026-101776)

mysql: mysql: Denial of service in InnoDB (CVE-2026-101609)

mysql: mysql: Denial of service in InnoDB (CVE-2026-101760)

mysql: mysql: unauthorized data modification via replication component (CVE-2026-101775)

mysql: mysql: Denial of Service via Server Optimizer component (CVE-2026-101610)

mysql: mysql: Denial of Service via the C API (CVE-2026-101726)

mysql: mysql: unauthorized data modification via XML component (CVE-2026-101803)

mysql: mysql: Denial of Service in Group Replication (CVE-2026-101751)

mysql: mysql: Denial of Service via Server Optimizer flaw (CVE-2026-101787)

mysql: mysql: Denial of Service in InnoDB (CVE-2026-101619)

mysql: mysql: Denial of Service in InnoDB (CVE-2026-101622)

mysql: mysql: Denial of Service via the Optimizer component (CVE-2026-101789)

mysql: mysql: Denial of service in replication component (CVE-2026-101766)

mysql: mysql: Denial of Service in Clone Plugin (CVE-2026-101750)

mysql: mysql: Denial of Service in InnoDB (CVE-2026-101618)

mysql: mysql: Denial of Service via the Server Replication component (CVE-2026-101729)

mysql: MySQL: Denial of Service via the Group Replication plugin (CVE-2026-101773)

mysql: mysql: Denial of Service via security encryption component (CVE-2026-101762)

mysql: mysql: Denial of Service in InnoDB (CVE-2026-101611)

mysql: mysql: unauthorized data access via improper privilege controls (CVE-2026-101800)

mysql: mysql: Partial Denial of Service via Telemetry component (CVE-2026-101779)

mysql: mysql: Denial of Service via Group Replication GCS (CVE-2026-101799)

mysql: mysql: Denial of service in InnoDB (CVE-2026-101615)

mysql: mysql: Denial of Service via the Server Parser (CVE-2026-101802)

mysql: mysql: Denial of Service in InnoDB component (CVE-2026-101627)

mysql: mysql: Denial of Service via Server Optimizer component (CVE-2026-101730)

mysql: mysql: Denial of Service via JSON component (CVE-2026-101733)

mysql: mysql: Denial of Service via the C API component (CVE-2026-101725)

mysql: mysql: Denial of Service via security encryption component (CVE-2026-101761)

mysql: mysql: Denial of Service in InnoDB (CVE-2026-101621)

mysql: mysql: Denial of Service via Server Optimizer component (CVE-2026-101608)

mysql: mysql: Denial of Service in Server Components Services (CVE-2026-101721)

mysql: mysql: Denial of service via DDL component (CVE-2026-101613)

mysql: mysql: Denial of Service via multiple protocols (CVE-2026-101679)

mysql: mysql: Denial of Service via X Plugin (CVE-2026-101780)

mysql: mysql: Denial of Service via Server Components Services (CVE-2026-101788)

mysql: mysql: Denial of Service via XML component flaw (CVE-2026-101794)

mysql: mysql: Denial of Service in Pluggable Auth (CVE-2026-101728)

mysql: mysql: Denial of Service in Server Optimizer (CVE-2026-101801)

mysql: MySQL: Denial of Service via JSON component (CVE-2026-101616)

mysql: mysql: complete service takeover via network access (CVE-2026-101771)

mysql: mysql: Denial of Service in InnoDB component (CVE-2026-101612)

mysql: mysql: Denial of Service in InnoDB component (CVE-2026-101614)

mysql: mysql: Complete service compromise by a local privileged attacker (CVE-2026-101795)

mysql: mysql: Server takeover via Group Replication GCS (CVE-2026-101781)

mysql: mysql: Denial of Service in the server optimizer (CVE-2026-101798)

mysql: mysql: Denial of service via InnoDB storage engine (CVE-2026-101624)

mysql: mysql: Denial of service via Pluggable Authentication component (CVE-2026-101774)

mysql: MySQL: Unauthorized data modification in JSON component (CVE-2026-101785)

mysql: mysql: Denial of service in query optimizer (CVE-2026-101784)

rapidjson: rapidjson: Denial of Service via out-of-bounds read in regex parser (CVE-2026-116620)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected Software

6 affected componentsFixes available
rocky-linux/mecab<0:0.996-3.module+el9.8.0+40162+a76274f1.4
0:0.996-3.module+el9.8.0+40162+a76274f1.4
rocky-linux/mecab<0:0.996-3.module+el9.8.0+40205+77f4da59.4
0:0.996-3.module+el9.8.0+40205+77f4da59.4
rocky-linux/mecab-ipadic<0:2.7.0.20070801-24.module+el9.8.0+40162+a76274f1
0:2.7.0.20070801-24.module+el9.8.0+40162+a76274f1
rocky-linux/mecab-ipadic<0:2.7.0.20070801-24.module+el9.8.0+40205+77f4da59
0:2.7.0.20070801-24.module+el9.8.0+40205+77f4da59
rocky-linux/perl-dbd-mysql<0:4.053-3.module+el9.8.0+40205+77f4da59
0:4.053-3.module+el9.8.0+40205+77f4da59
rocky-linux/perl-dbd-mysql<0:4.053-3.module+el9.8.0+40162+a76274f1
0:4.053-3.module+el9.8.0+40162+a76274f1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade rocky-linux/mecab to a version that resolves this vulnerability.

    Fixed in 0:0.996-3.module+el9.8.0+40162+a76274f1.4
  2. Upgrade

    Upgrade rocky-linux/mecab to a version that resolves this vulnerability.

    Fixed in 0:0.996-3.module+el9.8.0+40205+77f4da59.4
  3. Upgrade

    Upgrade rocky-linux/mecab-ipadic to a version that resolves this vulnerability.

    Fixed in 0:2.7.0.20070801-24.module+el9.8.0+40162+a76274f1
  4. Upgrade

    Upgrade rocky-linux/mecab-ipadic to a version that resolves this vulnerability.

    Fixed in 0:2.7.0.20070801-24.module+el9.8.0+40205+77f4da59
  5. Upgrade

    Upgrade rocky-linux/perl-DBD-MySQL to a version that resolves this vulnerability.

    Fixed in 0:4.053-3.module+el9.8.0+40205+77f4da59
  6. Upgrade

    Upgrade rocky-linux/perl-DBD-MySQL to a version that resolves this vulnerability.

    Fixed in 0:4.053-3.module+el9.8.0+40162+a76274f1

Event History

Nov 13, 2026
Advisory Published
via OSV·02:54 AM
Data Sourced
via OSV·02:54 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

Does exploitation require authentication or user interaction?

The advisory’s severity vector indicates no privileges are required and no user interaction is required. It also lists an adjacent-network attack vector (AV:A).

2

What are the most severe outcomes identified by the fixes?

The listed fixes include system takeover, unauthorized server takeover, and complete server takeover affecting mysqldump, client programs, and replication. Multiple other fixes address denial-of-service conditions in InnoDB, the server optimizer, replication, audit, and client programs.

3

Which packages are identified in the advisory metadata?

The listed software packages are rocky-linux/mecab, rocky-linux/mecab-ipadic, and rocky-linux/perl-dbd-mysql. The provided data does not specify affected or fixed package versions.

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