Skip to content
Fencer Intel
medium 6.5

CVE-2025-30682 json

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).

published last yr. modified 4mo ago also EUVD-2025-11067

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. 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).

Patch / fix

  • oracle mysql 8.0.42, 8.4.5, 9.3.0
  • oracle mysql_server 8.0.42, 8.4.5, 9.3.0
  • mysql-8.0 Ubuntu 20.04 LTS 8.0.42-0ubuntu0.20.04.1
  • mysql-8.0 Ubuntu 22.04 LTS 8.0.42-0ubuntu0.22.04.1
  • mysql-8.0 Ubuntu 24.04 LTS 8.0.42-0ubuntu0.24.04.1
  • mysql-8.4 Ubuntu 25.10 8.4.5-0ubuntu1

ubuntu advisories UBUNTU-CVE-2025-30682

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • mecab RHEL 8 0.996-2.module+el8.10.0+22857+7f331edd
  • mysql RHEL 8 8.0.43-1.module+el8.10.0+23526+fabc920a
  • mysql-libs RHEL 8 8.0.43-1.module+el8.10.0+23526+fabc920a
  • mysql-test RHEL 8 8.0.43-1.module+el8.10.0+23526+fabc920a
  • mecab-ipadic RHEL 8 2.7.0.20070801-17.module+el8.10.0+22857+7f331edd
  • mysql-common RHEL 8 8.0.43-1.module+el8.10.0+23526+fabc920a
  • mysql-errmsg RHEL 8 8.0.43-1.module+el8.10.0+23526+fabc920a
  • mysql-server RHEL 8 8.0.43-1.module+el8.10.0+23526+fabc920a

red hat advisories RHSA-2025:16861RHSA-2025:16086RHSA-2025:16046RHSA-2025:15699

  • mecab AlmaLinux 8 0.996-2.module_el8.10.0+3965+b415b607
  • mecab AlmaLinux 8 0.996-2.module_el8.6.0+3340+d764b636
  • mysql AlmaLinux 8 8.0.43-1.module_el8.10.0+4049+06e4dcce
  • mysql-libs AlmaLinux 8 8.0.43-1.module_el8.10.0+4049+06e4dcce
  • mysql-test AlmaLinux 8 8.0.43-1.module_el8.10.0+4049+06e4dcce
  • mecab-ipadic AlmaLinux 8 2.7.0.20070801-17.module_el8.10.0+3965+b415b607
  • mysql-common AlmaLinux 8 8.0.43-1.module_el8.10.0+4049+06e4dcce
  • mysql-errmsg AlmaLinux 8 8.0.43-1.module_el8.10.0+4049+06e4dcce

almalinux advisories ALSA-2025:16861ALSA-2025:16046ALSA-2025:16086ALSA-2025:15699

  • mecab Rocky Linux 9 0.996-3.module+el9.7.0+40027+0df0d4e0.4
  • mysql Rocky Linux 9 8.4.6-1.module+el9.7.0+40027+0df0d4e0
  • rapidjson Rocky Linux 9 1.1.0-19.module+el9.7.0+40027+0df0d4e0
  • mecab-ipadic Rocky Linux 9 2.7.0.20070801-24.module+el9.7.0+40027+0df0d4e0
  • mecab Rocky Linux 8 0.996-2.module+el8.10.0+1937+28fbbc83
  • mecab Rocky Linux 8 0.996-2.module+el8.10.0+2091+db4d14f6
  • mecab Rocky Linux 8 0.996-2.module+el8.10.0+1676+9b4b6e24
  • mysql Rocky Linux 8 8.0.43-1.module+el8.10.0+2065+e68efcea.0.1

rocky linux advisories RLSA-2025:16046RLSA-2025:16861RLSA-2025:16086RLSA-2025:15699

  • mysql CBL-Mariner 2.0, Azure Linux 3.0 8.0.42-1

azure linux advisories AZL-62098AZL-62183

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Is CVE-2025-30682 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-30682 updated cvss 6.5

mysql: Optimizer unspecified vulnerability (CPU Apr 2025)

  • Red Hat Enterprise Linux AppStream (v. 8) mecab 0.996-2.module+el8.10.0+22857+7f331edd, mysql 8.0.43-1.module+el8.10.0+23526+fabc920a, mysql-libs 8.0.43-1.module+el8.10.0+23526+fabc920a, mysql-test 8.0.43-1.module+el8.10.0+23526+fabc920a, mysql-common 8.0.43-1.module+el8.10.0+23526+fabc920a, mysql-errmsg 8.0.43-1.module+el8.10.0+23526+fabc920a, +3 more
    fixed: vendor fix “Restrict network access to the MySQL Server to trusted clients only.” RHSA-2025:16861
  • Red Hat Enterprise Linux AppStream (v. 9) mysql 8.0.43-1.el9_6, mysql-common 8.0.43-1.el9_6, mysql-errmsg 8.0.43-1.el9_6, mysql-server 8.0.43-1.el9_6, mysql 8.4.6-1.module+el9.6.0+23497+d0c5dcca, mecab 0.996-3.module+el9.6.0+22713+cbf15e23.4, +9 more
    fixed: vendor fix “Restrict network access to the MySQL Server to trusted clients only.” RHSA-2025:16046
  • Red Hat Enterprise Linux AppStream (v. 10) mysql8.4 8.4.6-2.el10_0, mysql8.4-libs 8.4.6-2.el10_0, mysql-selinux 1.0.14-1.el10_0, mysql8.4-common 8.4.6-2.el10_0, mysql8.4-errmsg 8.4.6-2.el10_0, mysql8.4-server 8.4.6-2.el10_0
    fixed: vendor fix “Restrict network access to the MySQL Server to trusted clients only.” RHSA-2025:15699
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) mysql-libs 8.0.43-1.el9_6, mysql-test 8.0.43-1.el9_6
    fixed: vendor fix “Restrict network access to the MySQL Server to trusted clients only.” RHSA-2025:16086
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) mysql8.4-test 8.4.6-2.el10_0, mysql8.4-test-data 8.4.6-2.el10_0
    fixed: vendor fix “Restrict network access to the MySQL Server to trusted clients only.” RHSA-2025:15699
  • Red Hat Enterprise Linux 6 mysql, mysql-libs, mysql-test, mysql-bench, mysql-server, mysql-embedded
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.84% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Oracle Corporation MySQL Server

Classification

Weakness
  • CWE-732 Incorrect Permission Assignment for Critical Resource
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.