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VulnerabilityPublished Updated

CVE-2025-30704: Oracle MySQL Server · Uncontrolled Resource Consumption

Affects Oracle MySQL ServerSource CVE Database V5

0

Not known to be exploited · CVSS 4.4 Medium.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 3.1 base score
4.4Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.8% chance of exploitation in 30 days – higher than 57% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Apr 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Mavencom.oracle/mysql-serverpkg:maven/com.oracle/mysql-serverOther threatsAffected
  • =8.0.0
  • =8.4.0
  • =9.0.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

1. Monitor Oracle's security advisories closely and apply patches or updates as soon as they become available to address CVE-2025-30704. 2. Restrict network access to MySQL Server instances to only trusted hosts and networks, using firewalls and network segmentation to limit exposure. 3. Enforce strict access controls and least privilege principles to minimize the number of users with high privileges capable of exploiting this vulnerability. 4. Implement robust monitoring and alerting on MySQL Server performance and availability metrics to detect unusual hangs or crashes promptly. 5. Regularly audit privileged user accounts and network access logs to identify potential misuse or compromise. 6. Consider deploying MySQL Server in high availability configurations with failover capabilities to reduce downtime impact. 7. Use network-level protections such as intrusion detection/prevention systems (IDS/IPS) to detect anomalous traffic patterns targeting MySQL protocols. 8. Conduct internal penetration testing and vulnerability assessments focusing on privilege escalation and network access controls to identify and remediate weaknesses before exploitation.

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Components Services). Supported versions that are affected are 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).

References

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