RHEL 10 : mysql8.4 (RHSA-2026:99720)

high Nessus Plugin ID 379932

Synopsis

The remote Red Hat host is missing one or more security updates for mysql8.4.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:99720 advisory.

MySQL is a multi-user, multi-threaded SQL database server. MySQL is a client/server implementation consisting of a server daemon (mysqld) and many different client programs and libraries. The base package contains the standard MySQL client programs and generic MySQL files.

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)

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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL mysql8.4 package based on the guidance in RHSA-2026:99720.

See Also

https://access.redhat.com/errata/RHSA-2026:99720

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2556715

https://bugzilla.redhat.com/show_bug.cgi?id=2556754

https://bugzilla.redhat.com/show_bug.cgi?id=2556772

https://bugzilla.redhat.com/show_bug.cgi?id=2556828

https://bugzilla.redhat.com/show_bug.cgi?id=2556853

https://bugzilla.redhat.com/show_bug.cgi?id=2556857

https://bugzilla.redhat.com/show_bug.cgi?id=2556916

https://bugzilla.redhat.com/show_bug.cgi?id=2556952

https://bugzilla.redhat.com/show_bug.cgi?id=2557019

https://bugzilla.redhat.com/show_bug.cgi?id=2557059

https://bugzilla.redhat.com/show_bug.cgi?id=2557066

https://bugzilla.redhat.com/show_bug.cgi?id=2557095

https://bugzilla.redhat.com/show_bug.cgi?id=2557109

https://bugzilla.redhat.com/show_bug.cgi?id=2557111

https://bugzilla.redhat.com/show_bug.cgi?id=2557116

https://bugzilla.redhat.com/show_bug.cgi?id=2557128

https://bugzilla.redhat.com/show_bug.cgi?id=2557143

https://bugzilla.redhat.com/show_bug.cgi?id=2557158

https://bugzilla.redhat.com/show_bug.cgi?id=2557179

https://bugzilla.redhat.com/show_bug.cgi?id=2557183

https://bugzilla.redhat.com/show_bug.cgi?id=2557186

https://bugzilla.redhat.com/show_bug.cgi?id=2557208

https://bugzilla.redhat.com/show_bug.cgi?id=2557217

https://bugzilla.redhat.com/show_bug.cgi?id=2557240

https://bugzilla.redhat.com/show_bug.cgi?id=2557253

https://bugzilla.redhat.com/show_bug.cgi?id=2557263

https://bugzilla.redhat.com/show_bug.cgi?id=2557265

https://bugzilla.redhat.com/show_bug.cgi?id=2557285

https://bugzilla.redhat.com/show_bug.cgi?id=2557297

https://bugzilla.redhat.com/show_bug.cgi?id=2557323

https://bugzilla.redhat.com/show_bug.cgi?id=2557332

https://bugzilla.redhat.com/show_bug.cgi?id=2557345

https://bugzilla.redhat.com/show_bug.cgi?id=2557362

https://bugzilla.redhat.com/show_bug.cgi?id=2557363

https://bugzilla.redhat.com/show_bug.cgi?id=2557388

https://bugzilla.redhat.com/show_bug.cgi?id=2557393

https://bugzilla.redhat.com/show_bug.cgi?id=2557409

https://bugzilla.redhat.com/show_bug.cgi?id=2557469

https://bugzilla.redhat.com/show_bug.cgi?id=2557470

https://bugzilla.redhat.com/show_bug.cgi?id=2557516

https://bugzilla.redhat.com/show_bug.cgi?id=2557518

https://bugzilla.redhat.com/show_bug.cgi?id=2557530

https://bugzilla.redhat.com/show_bug.cgi?id=2557542

https://bugzilla.redhat.com/show_bug.cgi?id=2557556

https://bugzilla.redhat.com/show_bug.cgi?id=2557573

https://bugzilla.redhat.com/show_bug.cgi?id=2557589

https://bugzilla.redhat.com/show_bug.cgi?id=2557606

https://bugzilla.redhat.com/show_bug.cgi?id=2557607

https://bugzilla.redhat.com/show_bug.cgi?id=2557637

https://bugzilla.redhat.com/show_bug.cgi?id=2557717

https://bugzilla.redhat.com/show_bug.cgi?id=2557736

https://bugzilla.redhat.com/show_bug.cgi?id=2557749

https://bugzilla.redhat.com/show_bug.cgi?id=2557786

https://bugzilla.redhat.com/show_bug.cgi?id=2557796

https://bugzilla.redhat.com/show_bug.cgi?id=2557799

https://bugzilla.redhat.com/show_bug.cgi?id=2557822

https://bugzilla.redhat.com/show_bug.cgi?id=2557830

https://bugzilla.redhat.com/show_bug.cgi?id=2557834

https://bugzilla.redhat.com/show_bug.cgi?id=2557851

https://bugzilla.redhat.com/show_bug.cgi?id=2557856

https://bugzilla.redhat.com/show_bug.cgi?id=2557873

https://bugzilla.redhat.com/show_bug.cgi?id=2557876

https://bugzilla.redhat.com/show_bug.cgi?id=2557877

https://bugzilla.redhat.com/show_bug.cgi?id=2557902

https://bugzilla.redhat.com/show_bug.cgi?id=2557945

http://www.nessus.org/u?af46f2de

Plugin Details

Severity: High

ID: 379932

File Name: redhat-RHSA-2026-99720.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/13/2026

Updated: 11/13/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.57

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 8.7

Temporal Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:C/A:C

CVSS Score Source: CVE-2026-101785

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2026-101781

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:10.3, p-cpe:/a:redhat:enterprise_linux:mysql8.4-common, p-cpe:/a:redhat:enterprise_linux:mysql8.4-devel, p-cpe:/a:redhat:enterprise_linux:mysql8.4-errmsg, p-cpe:/a:redhat:enterprise_linux:mysql8.4-libs, p-cpe:/a:redhat:enterprise_linux:mysql8.4-server, p-cpe:/a:redhat:enterprise_linux:mysql8.4-test-data, p-cpe:/a:redhat:enterprise_linux:mysql8.4-test, p-cpe:/a:redhat:enterprise_linux:mysql8.4

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 11/12/2026

Vulnerability Publication Date: 10/20/2026

Reference Information

CVE: CVE-2026-101607, CVE-2026-101608, CVE-2026-101609, CVE-2026-101610, CVE-2026-101611, CVE-2026-101612, CVE-2026-101613, CVE-2026-101614, CVE-2026-101615, CVE-2026-101616, CVE-2026-101617, CVE-2026-101618, CVE-2026-101619, CVE-2026-101621, CVE-2026-101622, CVE-2026-101623, CVE-2026-101624, CVE-2026-101627, CVE-2026-101679, CVE-2026-101721, CVE-2026-101724, CVE-2026-101725, CVE-2026-101726, CVE-2026-101727, CVE-2026-101728, CVE-2026-101729, CVE-2026-101730, CVE-2026-101731, CVE-2026-101732, CVE-2026-101733, CVE-2026-101747, CVE-2026-101748, CVE-2026-101750, CVE-2026-101751, CVE-2026-101754, CVE-2026-101760, CVE-2026-101761, CVE-2026-101762, CVE-2026-101766, CVE-2026-101770, CVE-2026-101771, CVE-2026-101772, CVE-2026-101773, CVE-2026-101774, CVE-2026-101775, CVE-2026-101776, CVE-2026-101778, CVE-2026-101779, CVE-2026-101780, CVE-2026-101781, CVE-2026-101784, CVE-2026-101785, CVE-2026-101787, CVE-2026-101788, CVE-2026-101789, CVE-2026-101794, CVE-2026-101795, CVE-2026-101796, CVE-2026-101797, CVE-2026-101798, CVE-2026-101799, CVE-2026-101800, CVE-2026-101801, CVE-2026-101802, CVE-2026-101803

CWE: 20, 269, 303, 306, 327, 400, 617, 770, 835, 91

RHSA: 2026:99720