The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0556 advisory.

    Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:

    CVE-2026-21998:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).  Supported     versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable     vulnerability allows high privileged attacker with network access via multiple protocols to compromise     MySQL Server.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang     or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability     impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-22001:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information Schema).
    Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable     vulnerability allows high privileged attacker with network access via multiple protocols to compromise     MySQL Server.  Successful attacks of this vulnerability can result in  unauthorized read access to a     subset of MySQL Server accessible data. CVSS 3.1 Base Score 2.7 (Confidentiality impacts).  CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N).

    CVE-2026-22002:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).  Supported     versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable     vulnerability allows high privileged attacker with network access via multiple protocols to compromise     MySQL Server.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang     or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability     impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-22004:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB).  Supported versions that     are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable vulnerability allows high     privileged attacker with network access via multiple protocols to compromise MySQL Server.  Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts).  CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-22005:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).  Supported     versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable     vulnerability allows high privileged attacker with network access via multiple protocols to compromise     MySQL Server.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang     or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability     impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-22009:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).  Supported     versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable     vulnerability allows low privileged attacker with network access via multiple protocols to compromise     MySQL Server.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang     or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability     impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-22015:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information Schema).
    Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable     vulnerability allows low privileged attacker with network access via multiple protocols to compromise     MySQL Server.  Successful attacks of this vulnerability can result in  unauthorized read access to a     subset of MySQL Server accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts).  CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

    CVE-2026-22017:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).  Supported     versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable     vulnerability allows low privileged attacker with network access via multiple protocols to compromise     MySQL Server.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang     or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability     impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-34267:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).  Supported     versions that are affected are 8.0.0-8.0.45. Easily exploitable vulnerability allows high privileged     attacker with network access via multiple protocols to compromise MySQL Server.  Successful attacks of     this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash     (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts).  CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-34270:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin).
    Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable     vulnerability allows low privileged attacker with network access via multiple protocols to compromise     MySQL Server.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang     or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability     impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-34271:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin).
    Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable     vulnerability allows low privileged attacker with network access via multiple protocols to compromise     MySQL Server.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang     or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability     impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-34276:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin).
    Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable     vulnerability allows low privileged attacker with network access via multiple protocols to compromise     MySQL Server.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang     or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability     impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-34278:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).  Supported     versions that are affected are 8.0.0-8.0.45. Easily exploitable vulnerability allows high privileged     attacker with network access via multiple protocols to compromise MySQL Server.  Successful attacks of     this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash     (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts).  CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-34293:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML).  Supported versions     that are affected are 8.0.0-8.0.45. Easily exploitable vulnerability allows high privileged attacker with     network access via multiple protocols to compromise MySQL Server.  Successful attacks of this     vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete     DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts).  CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-34303:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).  Supported     versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable     vulnerability allows low privileged attacker with network access via multiple protocols to compromise     MySQL Server.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang     or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability     impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-34304:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB).  Supported versions that     are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable vulnerability allows high     privileged attacker with network access via multiple protocols to compromise MySQL Server.  Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts).  CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-34308:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: JSON).  Supported versions     that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable vulnerability allows     low privileged attacker with network access via multiple protocols to compromise MySQL Server.  Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts).  CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-35236:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB).  Supported versions that     are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable vulnerability allows high     privileged attacker with network access via multiple protocols to compromise MySQL Server.  Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts).  CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-35237:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB).  Supported versions that     are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable vulnerability allows high     privileged attacker with network access via multiple protocols to compromise MySQL Server.  Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts).  CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-35238:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB).  Supported versions that     are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable vulnerability allows high     privileged attacker with network access via multiple protocols to compromise MySQL Server.  Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts).  CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-35239:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML).  Supported versions     that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable vulnerability allows     high privileged attacker with network access via multiple protocols to compromise MySQL Server.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts).  CVSS     Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

    CVE-2026-35240:
    Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).  Supported     versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Easily exploitable     vulnerability allows high privileged attacker with network access via multiple protocols to compromise     MySQL Server.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang     or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability     impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Tenable has extracted the preceding description block directly from the Tencent 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.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported     versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability     allows low privileged attacker with network access via multiple protocols to compromise MySQL Server.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of MySQL Server. (CVE-2026-34303)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-92a75ddb71 advisory.

    **MySQL 8.4.9**

        Release notes: https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-9.html

        Known issue: s390x-specific issue - zlib with DFLTCC compressed pages with low KEY_BLOCK_SIZE values     can cause ER_TOO_BIG_ROWSIZE errors in tables near the column count and their size limits.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

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

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-a7adf2637c advisory.

    **MySQL 8.4.9**

        Release notes: https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-9.html

        Known issue: s390x-specific issue - zlib with DFLTCC compressed pages with low KEY_BLOCK_SIZE values     can cause ER_TOO_BIG_ROWSIZE errors in tables near the column count and their size limits.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

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

ID	Name	Product	Family	Published	Updated	Severity
323705	TencentOS Server 3: mysql:8.0 (TSSA-2026:0556)	Nessus	Tencent Local Security Checks	6/29/2026	6/29/2026	medium
309943	Linux Distros Unpatched Vulnerability : CVE-2026-34303	Nessus	Misc.	4/23/2026	7/25/2026	medium
315958	Fedora 44 : mysql8.4 (2026-92a75ddb71)	Nessus	Fedora Local Security Checks	5/20/2026	5/20/2026	medium
315983	Fedora 43 : mysql8.4 (2026-a7adf2637c)	Nessus	Fedora Local Security Checks	5/20/2026	5/20/2026	medium

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