CVE-2018-2766
MEDIUMCVSS 4.9/10EPSS 3.10%
Last modified
CVE-2018-2766 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: InnoDB). Supported versions that are affected are 5.6.39 and prior and 5.7.21 and prior. EPSS estimates a 3.10% chance of exploitation in the next 30 days.
Description
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: InnoDB). Supported versions that are affected are 5.6.39 and prior and 5.7.21 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).
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Oracle | Mysql | >= 5.6.0, <= 5.6.39 |
| Oracle | Mysql | >= 5.7.0, <= 5.7.21 |
| Canonical | Ubuntu Linux | 18.04 |
| Mariadb | Mariadb | >= 10.0.0, < 10.0.35 |
| Mariadb | Mariadb | >= 10.1.0, < 10.1.33 |
| Mariadb | Mariadb | >= 10.2.0, < 10.2.15 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Netapp | Active Iq Unified Manager | >= 7.3 |
| Netapp | Active Iq Unified Manager | >= 9.5 |
| Netapp | Oncommand Insight | All versions |
| Netapp | Oncommand Workflow Automation | All versions |
| Netapp | Snapcenter | All versions |
References
- http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.htmlPatch, Vendor Advisory
- http://www.securityfocus.com/bid/103805Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040698Broken Link, Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:1254Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3655Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1258Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/06/msg00015.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201908-24Third Party Advisory
- https://security.netapp.com/advisory/ntap-20180419-0002/Third Party Advisory
- https://usn.ubuntu.com/3629-1/Third Party Advisory
- https://usn.ubuntu.com/3629-3/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4341Third Party Advisory
- http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.htmlPatch, Vendor Advisory
- http://www.securityfocus.com/bid/103805Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040698Broken Link, Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:1254Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3655Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1258Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/06/msg00015.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201908-24Third Party Advisory
- https://security.netapp.com/advisory/ntap-20180419-0002/Third Party Advisory
- https://usn.ubuntu.com/3629-1/Third Party Advisory
- https://usn.ubuntu.com/3629-3/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4341Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-2766?
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: InnoDB). Supported versions that are affected are 5.6.39 and prior and 5.7.21 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).
How severe is CVE-2018-2766?
CVE-2018-2766 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 3.10% probability of exploitation in the next 30 days.
How do I fix CVE-2018-2766?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2018-2766?
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Scan your code nowSource: NVD / NIST