CVE-2025-21518
published 2025-01-21CVE-2025-21518: 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…
PriorityP434medium6.5CVSS 3.1
AVNACLPRLUINSUCNINAH
EPSS
1.03%
60.0th percentile
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
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | mysql-8.0 | < mysql-8.0 8.0.41-1 (sid) | mysql-8.0 8.0.41-1 (sid) |
| oracle | mysql_cluster | 7.6.0 – 7.6.32 | — |
| oracle | mysql_cluster | 8.0.0 – 8.0.40 | — |
| oracle | mysql_cluster | 8.4.0 – 8.4.3 | — |
| oracle | mysql_cluster | 9.0.0 – 9.1.0 | — |
| oracle | mysql_server | 8.0.0 – 8.0.40 | — |
| oracle | mysql_server | 8.4.0 – 8.4.3 | — |
| oracle | mysql_server | 9.0.0 – 9.1.0 | — |
| oracle_corporation | mysql_cluster | * – 7.6.32 | — |
| oracle_corporation | mysql_server | * – 8.0.40 | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_oracle6.5MEDIUM
vendor_redhat6.5MEDIUM
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Ubuntu
MySQL vulnerabilities
vendor_ubuntu·2025-01-30
CVE-2025-21518 MySQL vulnerabilities
Title: MySQL vulnerabilities
Summary: Several security issues were fixed in MySQL.
Multiple security issues were discovered in MySQL and this update includes
new upstream MySQL versions to fix these issues.
MySQL has been updated to 8.0.41 in Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,
Ubuntu 24.04 LTS, and Ubuntu 24.10.
In addition to security fixes, the updated packages contain bug fixes, new
features, and possibly incompatible changes.
Please see the following for more information:
https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-41.html
https://www.oracle.com/security-alerts/cpujan2025.html
Instructions: This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.
Red Hat
mysql: Optimizer unspecified vulnerability (CPU Jan 2025)
vendor_redhat·2025-01-21·CVSS 6.5
CVE-2025-21518 [MEDIUM] mysql: Optimizer unspecified vulnerability (CPU Jan 2025)
mysql: Optimizer unspecified vulnerability (CPU Jan 2025)
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).
Package: mysql8.4 (Red Hat Enterprise Linux 10) - Affected
Package: mysql (Red Hat Enterprise Linux 6) - Not affected
Oracle
Oracle Oracle MySQL Risk Matrix: Cluster: General — CVE-2025-21518
vendor_oracle·2025-01-15·CVSS 6.5
CVE-2025-21518 [MEDIUM] Oracle Oracle MySQL Risk Matrix: Cluster: General — CVE-2025-21518
Oracle Oracle MySQL Risk Matrix: Cluster: General vulnerability
CVE: CVE-2025-21518
CVSS: 6.5
Protocol: Multiple
Remote exploit: No
Affected versions: Network
Advisory: cpujan2025 (JAN 2025)
Debian
CVE-2025-21518: mysql-8.0 - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Op...
vendor_debian·2025·CVSS 6.5
CVE-2025-21518 [MEDIUM] CVE-2025-21518: mysql-8.0 - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Op...
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).
Scope: local
sid: resolved (fixed in 8.0.41-1)
GHSA
GHSA-mmr8-fpcp-hg5w: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)
ghsa_unreviewed·2025-01-21
CVE-2025-21518 [MEDIUM] CWE-770 GHSA-mmr8-fpcp-hg5w: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)
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).
OSV
CVE-2025-21518: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)
osv·2025-01-21·CVSS 6.5
CVE-2025-21518 [MEDIUM] CVE-2025-21518: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)
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).
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-01-21
Published