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4.9

MySQL Server 8.0.15 and earlier can be crashed remotely

CVE-2019-2686 · published 7 years ago
Summary

Versions of MySQL Server up to 8.0.15 let a privileged user on the network trigger a hang or repeated crash, causing the database to stop working. This can lead to temporary loss of access to your data. Upgrade to a newer MySQL release or apply the vendor's patch to prevent the issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
oracle mysql >= 8.0.0, <= 8.0.15
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
redhat software_collections 1.0
cpe:2.3:a:redhat:software_collections:1.0:*:*:*:*:*:*:*
redhat enterprise_linux 8.0
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
redhat enterprise_linux_eus 8.1
8.2
8.4
8.6
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 8.2
8.4
8.6
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
redhat enterprise_linux_server_tus 8.2
8.4
8.6
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
Original advisory text
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 8.0.15 and prior. Easily exploitable vulnerability allows hig...
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 8.0.15 and prior. 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. CVSS 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
4.9 Medium
Exploitation
2% chance of attack within 30 days
Timeline
Published23 Apr 2019
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2019-2686 · NVD
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