CVE-2026-34293: 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. in Oracle Corporation MySQL Server
CVE-2026-34293 is a vulnerability in Oracle MySQL Server versions 8. 0. 0 through 8. 0. 45 affecting the Server: DML component. It allows a high privileged attacker with network access via multiple protocols to cause a hang or repeated crash, resulting in a denial of service (DoS). The vulnerability has a CVSS 3. 1 base score of 4. 9, indicating a medium severity focused on availability impact. Oracle has included this vulnerability in its April 2026 Critical Patch Update advisory, which provides patches addressing this and other vulnerabilities.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-34293) affects Oracle MySQL Server versions 8.0.0 to 8.0.45 in the Server: DML component. It permits a high privileged attacker with network access to cause a denial of service by hanging or crashing the MySQL Server repeatedly. The CVSS 3.1 vector indicates network attack vector, low attack complexity, high privileges required, no user interaction, unchanged scope, no confidentiality or integrity impact, and high availability impact. Oracle has published a Critical Patch Update in April 2026 that includes fixes for this vulnerability among 481 other security patches. The advisory strongly recommends applying these patches promptly to mitigate the risk. No specific exploit details or active exploitation reports are available.
Potential Impact
Successful exploitation allows a high privileged attacker with network access to cause a hang or repeated crash of the MySQL Server, resulting in a complete denial of service. There is no impact on confidentiality or integrity. The impact is limited to availability disruption of the MySQL Server.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the April 2026 Critical Patch Update. Users should apply the April 2026 Critical Patch Update promptly to remediate this vulnerability. No alternative mitigations or workarounds are specified. There are no known exploits in the wild, but Oracle emphasizes the importance of timely patching to prevent exploitation.
CVE-2026-34293: 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. in Oracle Corporation MySQL Server
Description
CVE-2026-34293 is a vulnerability in Oracle MySQL Server versions 8. 0. 0 through 8. 0. 45 affecting the Server: DML component. It allows a high privileged attacker with network access via multiple protocols to cause a hang or repeated crash, resulting in a denial of service (DoS). The vulnerability has a CVSS 3. 1 base score of 4. 9, indicating a medium severity focused on availability impact. Oracle has included this vulnerability in its April 2026 Critical Patch Update advisory, which provides patches addressing this and other vulnerabilities.
CVSS v3.1
Score 4.9medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-34293) affects Oracle MySQL Server versions 8.0.0 to 8.0.45 in the Server: DML component. It permits a high privileged attacker with network access to cause a denial of service by hanging or crashing the MySQL Server repeatedly. The CVSS 3.1 vector indicates network attack vector, low attack complexity, high privileges required, no user interaction, unchanged scope, no confidentiality or integrity impact, and high availability impact. Oracle has published a Critical Patch Update in April 2026 that includes fixes for this vulnerability among 481 other security patches. The advisory strongly recommends applying these patches promptly to mitigate the risk. No specific exploit details or active exploitation reports are available.
Potential Impact
Successful exploitation allows a high privileged attacker with network access to cause a hang or repeated crash of the MySQL Server, resulting in a complete denial of service. There is no impact on confidentiality or integrity. The impact is limited to availability disruption of the MySQL Server.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the April 2026 Critical Patch Update. Users should apply the April 2026 Critical Patch Update promptly to remediate this vulnerability. No alternative mitigations or workarounds are specified. There are no known exploits in the wild, but Oracle emphasizes the importance of timely patching to prevent exploitation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-03-26T19:48:45.677Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cpuapr2026.html","vendor":"Oracle"}]
Threat ID: 69e7e5a619fe3cd2cdf9f938
Added to database: 4/21/2026, 9:01:26 PM
Last enriched: 4/29/2026, 11:35:19 AM
Last updated: 6/5/2026, 12:44:42 AM
Views: 49
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