CVE-2025-53023

MEDIUM

Oracle MySQL Server 8.0.0-8.0.42 - Authenticated Denial of Service in Replication Component

Title source: llm

Description

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).

References (1)

Core 1

Core References

Patch, Vendor Advisory vendor-advisory

https://www.oracle.com/security-alerts/cpujul2025.html

Scores

CVSS v3 4.9

EPSS 0.0031

EPSS Percentile 54.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-400

Status published

Products (2)

oracle/mysql_cluster 7.6.0 - 7.6.34

oracle/mysql_server 8.0.0 - 8.0.42

Published Jul 15, 2025

Tracked Since Feb 18, 2026