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Fencer Intel
medium 4.9

CVE-2025-53023 json

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

published last yr. modified 4mo ago also EUVD-2025-21471

cvss
4.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are 8.0.0-8.0.42. 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).

Patch / fix

  • oracle mysql_cluster 7.6.35, 8.0.43
  • oracle mysql 8.0.43
  • oracle mysql_server 8.0.43
  • mysql-8.0 Ubuntu 22.04 LTS 8.0.43-0ubuntu0.22.04.1
  • mysql-8.0 Ubuntu 24.04 LTS 8.0.43-0ubuntu0.24.04.1
  • mysql-8.0 Ubuntu Pro 20.04 LTS 8.0.43-0ubuntu0.20.04.1+esm1

ubuntu advisories UBUNTU-CVE-2025-53023

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-2025:16086

  • 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-2025:16086

  • 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
  • mecab-ipadic Rocky Linux 8 2.7.0.20070801-17.module+el8.10.0+1937+28fbbc83
  • mecab-ipadic Rocky Linux 8 2.7.0.20070801-17.module+el8.10.0+2091+db4d14f6
  • mysql Rocky Linux 9 8.0.43-1.el9_6

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

  • mysql Azure Linux 3.0 8.0.43-1

azure linux advisories AZL-65267

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

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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-2025-53023 updated cvss 4.9

mysql: Replication unspecified vulnerability (CPU Jul 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 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 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 RHSA-2025:16086
  • Red Hat Enterprise Linux 6 mysql, mysql-libs, mysql-test, mysql-bench, mysql-server, mysql-embedded Red Hat Enterprise Linux 9 mysql, mysql-libs, mysql-test, mysql-common, mysql-errmsg, mysql-server Red Hat Enterprise Linux 10 mysql8.4
    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

0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Oracle Corporation MySQL Cluster
  • Oracle Corporation MySQL Server

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
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.