Denial of Service Vulnerability in MySQL Server by Oracle
CVE-2026-34293

4.9MEDIUM

Key Information:

Vendor

Oracle
Status
Mysql Server
Vendor
CVE Published:
21 April 2026

What is CVE-2026-34293?

A vulnerability exists in Oracle's MySQL Server, specifically within the DML component, which can be exploited by an attacker with high-level privileges and network access. This vulnerability allows the attacker to cause the MySQL Server to hang or crash repeatedly, resulting in a denial of service. Users of affected versions should consider applying the recommended updates to enhance their security and prevent potential exploitation.

Affected Version(s)

MySQL Server 8.0.0 <= 8.0.45

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

.