Vulnerability · Published Jan 21, 2025 · Assigned by oracle

CVE-2025-21518

Medium 6.5

In plain English

A medium-severity resource allocation without limits in MySQL Cluster from Oracle Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.1%top 35.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.40 and prior, 8.4.3 and prior and 9.1.0 and prior. 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).

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8mecab0.996-2.module_el8.6.0+3340+d764b636ALSA-2025:1673
AlmaLinux:8mecab0.996-2.module_el8.10.0+3965+b415b607ALSA-2025:1673
AlmaLinux:8mecab-devel0.996-2.module_el8.6.0+3340+d764b636ALSA-2025:1673
AlmaLinux:8mecab-devel0.996-2.module_el8.10.0+3965+b415b607ALSA-2025:1673
AlmaLinux:8mecab-ipadic2.7.0.20070801-17.module_el8.10.0+3965+b415b607ALSA-2025:1673
AlmaLinux:8mecab-ipadic-EUCJP2.7.0.20070801-17.module_el8.10.0+3965+b415b607ALSA-2025:1673
AlmaLinux:8mysql8.0.41-1.module_el8.10.0+3965+b415b607ALSA-2025:1673
AlmaLinux:9mysql8.0.41-2.el9_5ALSA-2025:1671
AlmaLinux:8mysql-common8.0.41-1.module_el8.10.0+3965+b415b607ALSA-2025:1673
AlmaLinux:9mysql-common8.0.41-2.el9_5ALSA-2025:1671
AlmaLinux:8mysql-devel8.0.41-1.module_el8.10.0+3965+b415b607ALSA-2025:1673
AlmaLinux:9mysql-devel8.0.41-2.el9_5ALSA-2025:1671
AlmaLinux:8mysql-errmsg8.0.41-1.module_el8.10.0+3965+b415b607ALSA-2025:1673
AlmaLinux:9mysql-errmsg8.0.41-2.el9_5ALSA-2025:1671
AlmaLinux:8mysql-libs8.0.41-1.module_el8.10.0+3965+b415b607ALSA-2025:1673
AlmaLinux:9mysql-libs8.0.41-2.el9_5ALSA-2025:1671
AlmaLinux:8mysql-server8.0.41-1.module_el8.10.0+3965+b415b607ALSA-2025:1673
AlmaLinux:9mysql-server8.0.41-2.el9_5ALSA-2025:1671
AlmaLinux:8mysql-test8.0.41-1.module_el8.10.0+3965+b415b607ALSA-2025:1673
AlmaLinux:9mysql-test8.0.41-2.el9_5ALSA-2025:1671
Rocky Linux:8mecab0:0.996-2.module+el8.10.0+1676+9b4b6e24RLSA-2025:1673
Rocky Linux:8mecab-ipadic0:2.7.0.20070801-17.module+el8.10.0+1937+28fbbc83RLSA-2025:1673
Rocky Linux:8mysql0:8.0.41-1.module+el8.10.0+1937+28fbbc83.0.1RLSA-2025:1673
Rocky Linux:9mysql0:8.0.41-2.el9_5RLSA-2025:1671
Ubuntu:22.04:LTSmysql-8.08.0.41-0ubuntu0.22.04.1USN-7245-1
Ubuntu:22.04:LTSmysql-8.08.0.41-0ubuntu0.22.04.1UBUNTU-CVE-2025-21518
Ubuntu:24.04:LTSmysql-8.08.0.41-0ubuntu0.24.04.1UBUNTU-CVE-2025-21518
Ubuntu:24.04:LTSmysql-8.08.0.41-0ubuntu0.24.04.1USN-7245-1

Affected products (as reported)

VendorProductVersions
Oracle Corporation MySQL Cluster * – through 7.6.32* – through 8.0.40* – through 8.4.3* – through 9.1.0
Oracle Corporation MySQL Server * – through 8.0.40* – through 8.4.3* – through 9.1.0

Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References