Denial of Service Vulnerability in MySQL Server by Oracle
CVE-2026-35237

4.9MEDIUM

Key Information:

Vendor

Oracle
Status
Mysql Server
Vendor
CVE Published:
21 April 2026

What is CVE-2026-35237?

A vulnerability in Oracle's MySQL Server, specifically within the InnoDB component, enables high-privileged attackers with network access to exploit the server using multiple protocols. This flaw can lead to significant instability, such as causing the server to hang or crash repeatedly, thereby disrupting services. The supported versions affected are 8.0.0 through 8.0.45, 8.4.0 through 8.4.8, and all 9.0.0 to 9.6.0 versions, necessitating prompt attention to secure systems against potential exploits.

Affected Version(s)

MySQL Server 8.0.0 <= 8.0.45

MySQL Server 8.4.0 <= 8.4.8

MySQL Server 9.0.0 <= 9.6.0

References

https://www.oracle.com/security-alerts/cpuapr2026.html
vendor-advisory

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.