CVE-2019-2420

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.7.24 and prior and 8.0.13 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).

• http://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.htmlPatch, Vendor Advisory
• http://www.securityfocus.com/bid/106627Broken Link, Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2019:2484Third Party Advisory
• https://access.redhat.com/errata/RHSA-2019:2511Third Party Advisory
• https://security.netapp.com/advisory/ntap-20190118-0002/Third Party Advisory
• https://usn.ubuntu.com/3867-1/Third Party Advisory
• http://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.htmlPatch, Vendor Advisory
• http://www.securityfocus.com/bid/106627Broken Link, Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2019:2484Third Party Advisory
• https://access.redhat.com/errata/RHSA-2019:2511Third Party Advisory
• https://security.netapp.com/advisory/ntap-20190118-0002/Third Party Advisory
• https://usn.ubuntu.com/3867-1/Third Party Advisory

Published

Jan 16, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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