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VulnerabilityPublished

CVE-2025-53062: Oracle MySQL Server · Uncontrolled Resource Consumption

Affects Oracle MySQL ServerSource CVE Database V5

0

Not known to be exploited · CVSS 4.9 Medium.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 3.1 base score
4.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 47% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Oct 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/mysqlpkg:maven/com.oracle/mysqlOther 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. Restrict network access to MySQL servers by implementing strict firewall rules and network segmentation to limit exposure to trusted hosts and administrative networks only.
  2. Enforce the principle of least privilege by auditing and minimizing user accounts with high privileges on MySQL servers.
  3. Monitor MySQL server logs and system performance metrics for unusual activity or signs of resource exhaustion that could indicate exploitation attempts.
  4. Prepare for patch deployment by closely monitoring Oracle's security advisories and applying updates promptly once patches become available.
  5. Implement redundancy and failover mechanisms for MySQL services to reduce downtime impact in case of a DoS event.
  6. Conduct regular security reviews and penetration testing focusing on privilege escalation and resource exhaustion scenarios.
  7. Use network-level intrusion detection/prevention systems (IDS/IPS) to detect and block suspicious traffic targeting MySQL protocols.
  8. Educate administrators about the risks of high privilege misuse and enforce strong authentication and session management controls.

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). 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 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

References

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