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 denial of service by hanging or crashing the MySQL Server. 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 for affected versions.
AI Analysis
Technical Summary
This vulnerability in Oracle MySQL Server (versions 8.0.0 to 8.0.45) allows an attacker with high privileges and network access to cause a hang or repeated crash of the server, resulting in a complete denial of service. The issue affects the Server: DML component and can be triggered via multiple network protocols. The CVSS 3.1 vector indicates low attack complexity, no user interaction, and no impact on confidentiality or integrity, but a high impact on availability. Oracle has addressed this vulnerability in its April 2026 Critical Patch Update, which includes security patches for MySQL Server and other Oracle products. Users should consult the Oracle advisory for patch availability and installation instructions.
Potential Impact
Successful exploitation results in denial of service by causing the MySQL Server to hang or crash repeatedly. There is no impact on confidentiality or integrity. The vulnerability requires high privileges and network access. No known active exploits have been reported. 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 CPU promptly to affected MySQL Server versions (8.0.0 through 8.0.45) to remediate this issue. Oracle strongly recommends staying on actively supported versions and applying security patches without delay. Patch status is confirmed via the Oracle advisory at https://www.oracle.com/security-alerts/cpuapr2026.html.
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 denial of service by hanging or crashing the MySQL Server. 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 for affected versions.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Oracle MySQL Server (versions 8.0.0 to 8.0.45) allows an attacker with high privileges and network access to cause a hang or repeated crash of the server, resulting in a complete denial of service. The issue affects the Server: DML component and can be triggered via multiple network protocols. The CVSS 3.1 vector indicates low attack complexity, no user interaction, and no impact on confidentiality or integrity, but a high impact on availability. Oracle has addressed this vulnerability in its April 2026 Critical Patch Update, which includes security patches for MySQL Server and other Oracle products. Users should consult the Oracle advisory for patch availability and installation instructions.
Potential Impact
Successful exploitation results in denial of service by causing the MySQL Server to hang or crash repeatedly. There is no impact on confidentiality or integrity. The vulnerability requires high privileges and network access. No known active exploits have been reported. 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 CPU promptly to affected MySQL Server versions (8.0.0 through 8.0.45) to remediate this issue. Oracle strongly recommends staying on actively supported versions and applying security patches without delay. Patch status is confirmed via the Oracle advisory at https://www.oracle.com/security-alerts/cpuapr2026.html.
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: 4/21/2026, 9:49:18 PM
Last updated: 4/22/2026, 5:29:21 AM
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.