CVE-2018-2766

20

FAUCET Score

CVE-2018-2766 is a denial-of-service vulnerability affecting the InnoDB subcomponent of Oracle MySQL Server versions 5.6.39 and prior, and 5.7.21 and prior, also impacting Canonical, Debian, MariaDB, and NetApp products. This vulnerability, with a CVSS 3.0 Base Score of 4.9 (Medium), allows a high-privileged attacker with network access to cause a complete system hang or repeatable crash of the MySQL Server. There is no public exploit code available (Metasploit, Nuclei, ExploitDB), nor is it listed on the CISA KEV catalog, indicating no active exploitation. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 5.6.0, <= 5.6.39CPE matchmatch criteria	cpe:2.3:a:oracle:mysql::::::::
		>= 5.7.0, <= 5.7.21CPE matchmatch criteria	cpe:2.3:a:oracle:mysql::::::::
		18.04CPE matchmatch criteria	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
		>= 10.0.0, < 10.0.35CPE matchmatch criteria	cpe:2.3:a:mariadb:mariadb::::::::
		>= 10.1.0, < 10.1.33CPE matchmatch criteria	cpe:2.3:a:mariadb:mariadb::::::::

CVSS Data

CVSS version used by this source: 3.1

4.9MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

1.2

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

3.10%

Probability of exploitation in next 30 days

EPSS Percentile

86.4%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0310 is in the 96th percentile among its peer group of 3,565 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (26)

oraclepatch availablevia nvd_reference

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-mysql56-mysql-0:5.6.40-1.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-mysql57-mysql-0:5.7.24-2.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-mariadb102-galera-0:25.3.25-1.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-mariadb102-mariadb-1:10.2.22-1.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-mysql56-mysql-0:5.6.40-1.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-mysql57-mysql-0:5.7.24-2.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mysql56-mysql-0:5.6.40-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mysql57-mysql-0:5.7.24-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mariadb102-galera-0:25.3.25-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mariadb102-mariadb-1:10.2.22-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-mysql56-mysql-0:5.6.40-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-mysql57-mysql-0:5.7.24-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-mysql56-mysql-0:5.6.40-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-mysql57-mysql-0:5.7.24-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-mariadb102-galera-0:25.3.25-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-mariadb102-mariadb-1:10.2.22-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-mysql56-mysql-0:5.6.40-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-mysql57-mysql-0:5.7.24-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-mariadb102-galera-0:25.3.25-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-mariadb102-mariadb-1:10.2.22-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-mysql57-mysql-0:5.7.24-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-mariadb102-galera-0:25.3.25-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-mariadb102-mariadb-1:10.2.22-1.el7

redhatend of lifevia redhat_api

Product: Red Hat Software CollectionsFixed in: rh-mariadb100-mariadb

redhatend of lifevia redhat_api

Product: Red Hat Software CollectionsFixed in: rh-mariadb101-mariadb

Vendor Advisories (1)

redhatCVE-2018-2766Moderate

mysql: InnoDB unspecified vulnerability (CPU Apr 2018)

References

access.redhat.com / errata/RHSA-2018:1254

Third Party Advisory

access.redhat.com / errata/RHSA-2018:3655

Third Party Advisory

access.redhat.com / errata/RHSA-2019:1258

Third Party Advisory

lists.debian.org / debian-lts-announce/2018/06/msg00015.html

Mailing ListThird Party Advisory

security.gentoo.org / glsa/201908-24

Third Party Advisory

security.netapp.com / advisory/ntap-20180419-0002

Third Party Advisory

usn.ubuntu.com / 3629-1

Third Party Advisory

usn.ubuntu.com / 3629-3

Third Party Advisory

debian.org / security/2018/dsa-4341

Third Party Advisory

oracle.com / technetwork/security-advisory/cpuapr2018-3678067.html

PatchVendor Advisory

securityfocus.com / bid/103805

Third Party AdvisoryVDB Entry

securitytracker.com / id/1040698

Broken LinkThird Party AdvisoryVDB Entry