CVE-2025-53042

CWE-400 — Uncontrolled Resource Consumption11 documents9 sources
Severity
4.9MEDIUM
EPSS
0.0%
top 85.62%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Oracle Corporation Mysql ServerOracle Mysql Server
Timeline
PublishedOct 21
Latest updateFeb 3

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and 9.0.0-9.4.0. 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 (Availabili…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HExploitability: 1.2 | Impact: 3.6

Affected Packages4 packages

▶NVDoracle/mysql_server8.0.0 — 8.0.43+2
▶CVEListV5oracle_corporation/mysql_server8.0.0 — 8.0.43+2
▶Ubuntumysql-8.0< 8.0.44-0ubuntu0.22.04.1+2
▶Ubuntumysql-8.4< 8.4.7-0ubuntu0.25.10.2

🔴Vulnerability Details

3
GHSA
GHSA-x3wf-9mwg-hm4v: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)↗2025-10-21
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OSV
CVE-2025-53042: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)↗2025-10-21
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CVEList
CVE-2025-53042: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)↗2025-10-21
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📋Vendor Advisories

7
Ubuntu
MySQL vulnerabilities↗2026-02-03
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Ubuntu
MySQL vulnerabilities↗2025-11-19
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Red Hat
mysql: Optimizer unspecified vulnerability (CPU Oct 2025)↗2025-10-21
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Oracle
Oracle Oracle MySQL Risk Matrix: Server: Optimizer — CVE-2025-53042↗2025-10-15
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Microsoft
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and 9.0.0-9.4.0. Easily exploitable vulne↗2025-10-14
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