CVE-2026-61109: Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. in Oracle Corporation MySQL Server
CVE-2026-61109 is a vulnerability in Oracle MySQL Server and MySQL Cluster affecting specific versions. It allows a low privileged attacker with network access via multiple protocols to cause a denial of service by hanging or crashing the server. The vulnerability impacts availability but does not affect confidentiality or integrity. The CVSS 3.1 base score is 6.5, indicating a medium severity. Oracle has published a Critical Patch Update advisory referencing this vulnerability but does not explicitly confirm patch availability for these versions in the provided content.
AI Analysis
Technical Summary
This vulnerability exists in the JSON component of Oracle MySQL Server and MySQL Cluster. A low privileged attacker with network access can exploit this flaw to cause a hang or frequent crash, resulting in a complete denial of service. The affected versions include MySQL Server 8.4.0 through 8.4.10 and 9.7.0 through 9.7.1, as well as MySQL Cluster versions 8.0.0 through 8.0.47, 8.4.0 through 8.4.10, and 9.7.0 through 9.7.1. The CVSS vector indicates network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, no confidentiality or integrity impact, and high availability impact. Oracle's July 2026 Critical Patch Update advisory lists these affected versions but does not explicitly state patch availability or remediation status for this specific vulnerability.
Potential Impact
Successful exploitation allows an attacker with low privileges and network access to cause a denial of service by hanging or crashing the MySQL Server or MySQL Cluster. There is no impact on confidentiality or integrity. The availability impact is high, potentially disrupting database services.
Mitigation Recommendations
Oracle's July 2026 Critical Patch Update advisory includes this vulnerability among many others but does not explicitly confirm patch availability or remediation status for the affected MySQL versions. Customers are strongly advised to review the Oracle advisory directly for patch availability and apply any relevant patches promptly. Until confirmed, patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No vendor statement indicates that no action is required or that the issue is already mitigated.
CVE-2026-61109: Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. in Oracle Corporation MySQL Server
Description
CVE-2026-61109 is a vulnerability in Oracle MySQL Server and MySQL Cluster affecting specific versions. It allows a low privileged attacker with network access via multiple protocols to cause a denial of service by hanging or crashing the server. The vulnerability impacts availability but does not affect confidentiality or integrity. The CVSS 3.1 base score is 6.5, indicating a medium severity. Oracle has published a Critical Patch Update advisory referencing this vulnerability but does not explicitly confirm patch availability for these versions in the provided content.
CVSS v3.1
Score 6.5medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability exists in the JSON component of Oracle MySQL Server and MySQL Cluster. A low privileged attacker with network access can exploit this flaw to cause a hang or frequent crash, resulting in a complete denial of service. The affected versions include MySQL Server 8.4.0 through 8.4.10 and 9.7.0 through 9.7.1, as well as MySQL Cluster versions 8.0.0 through 8.0.47, 8.4.0 through 8.4.10, and 9.7.0 through 9.7.1. The CVSS vector indicates network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, no confidentiality or integrity impact, and high availability impact. Oracle's July 2026 Critical Patch Update advisory lists these affected versions but does not explicitly state patch availability or remediation status for this specific vulnerability.
Potential Impact
Successful exploitation allows an attacker with low privileges and network access to cause a denial of service by hanging or crashing the MySQL Server or MySQL Cluster. There is no impact on confidentiality or integrity. The availability impact is high, potentially disrupting database services.
Mitigation Recommendations
Oracle's July 2026 Critical Patch Update advisory includes this vulnerability among many others but does not explicitly confirm patch availability or remediation status for the affected MySQL versions. Customers are strongly advised to review the Oracle advisory directly for patch availability and apply any relevant patches promptly. Until confirmed, patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No vendor statement indicates that no action is required or that the issue is already mitigated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-07-08T15:51:55.613Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cpujul2026.html","vendor":"Oracle"}]
Threat ID: 6a5fee2d9c2644c7f8d5d262
Added to database: 07/21/2026, 22:09:49 UTC
Last enriched: 07/22/2026, 01:38:24 UTC
Last updated: 07/22/2026, 01:38:24 UTC
Views: 2
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