CVE-2016-3492

26

FAUCET Score

CVE-2016-3492 is an unspecified vulnerability affecting Oracle MySQL versions 5.5.51 and earlier, 5.6.32 and earlier, and 5.7.14 and earlier, as well as MariaDB and Red Hat distributions. This flaw allows remote authenticated users to cause a denial of service (availability impact) through vectors related to the Server: Optimizer component. With a CVSS v3.1 score of 6.5 (Medium), it can be exploited over the network with low attack complexity, requiring only low privileges and no user interaction to achieve high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 5.5.0, <= 5.5.51CPE matchmatch criteria	cpe:2.3:a:oracle:mysql::::::::
		>= 5.6.0, <= 5.6.32CPE matchmatch criteria	cpe:2.3:a:oracle:mysql::::::::
		>= 5.7.0, <= 5.7.14CPE matchmatch criteria	cpe:2.3:a:oracle:mysql::::::::
		>= 5.5.0, < 5.5.52CPE matchmatch criteria	cpe:2.3:a:mariadb:mariadb::::::::
		>= 10.0.0, < 10.0.28CPE matchmatch criteria	cpe:2.3:a:mariadb:mariadb::::::::

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

2.8

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

6.50%

Probability of exploitation in next 30 days

EPSS Percentile

93.0%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0650 is in the 98th percentile among its peer group of 21,958 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 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (39)

oraclepatch availablevia nvd_reference

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: mariadb-1:5.5.52-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: mysql55-mysql-0:5.5.52-1.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: mariadb55-mariadb-0:5.5.53-1.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-mysql56-mysql-0:5.6.34-2.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-mariadb100-mariadb-1:10.0.28-5.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-mariadb101-mariadb-1:10.1.19-6.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUSFixed in: mysql55-mysql-0:5.5.52-1.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUSFixed in: mariadb55-mariadb-0:5.5.53-1.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: mysql55-mysql-0:5.5.52-1.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: mariadb55-mariadb-0:5.5.53-1.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-mysql56-mysql-0:5.6.34-2.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-mariadb100-mariadb-1:10.0.28-5.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-mariadb101-mariadb-1:10.1.19-6.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: mysql55-mysql-0:5.5.52-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: mariadb55-mariadb-0:5.5.53-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mysql56-mysql-0:5.6.34-2.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mariadb100-mariadb-1:10.0.28-5.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mariadb101-mariadb-1:10.1.19-6.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUSFixed in: mariadb55-mariadb-0:5.5.53-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUSFixed in: rh-mysql56-mysql-0:5.6.34-2.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUSFixed in: mysql55-mysql-0:5.5.52-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUSFixed in: mariadb55-mariadb-0:5.5.53-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUSFixed in: rh-mysql56-mysql-0:5.6.34-2.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUSFixed in: rh-mariadb100-mariadb-1:10.0.28-5.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUSFixed in: rh-mariadb101-mariadb-1:10.1.19-6.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-mariadb100-mariadb-1:10.0.28-5.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-mariadb101-mariadb-1:10.1.19-6.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUSFixed in: mysql55-mysql-0:5.5.52-1.el7

redhatvendor investigatingvia redhat_api

Product: Red Hat Enterprise Linux 6Fixed in: mysql

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)Fixed in: mariadb-galera

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux OpenStack Platform 6 (Juno)Fixed in: mariadb-galera

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)Fixed in: mariadb-galera

redhatend of lifevia redhat_api

Product: Red Hat OpenStack Platform 10 (Newton)Fixed in: mariadb-galera

redhatend of lifevia redhat_api

Product: Red Hat OpenStack Platform 11 (Ocata)Fixed in: mariadb-galera

redhatend of lifevia redhat_api

Product: Red Hat OpenStack Platform 12 (Pike)Fixed in: mariadb-galera

redhatend of lifevia redhat_api

Product: Red Hat OpenStack Platform 8 (Liberty)Fixed in: mariadb-galera

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 5Fixed in: mysql55-mysql

redhatend of lifevia redhat_api

Product: Red Hat OpenStack Platform 9 (Mitaka)Fixed in: mariadb-galera

Vendor Advisories (1)

redhatCVE-2016-3492Moderate

mysql: unspecified vulnerability in subcomponent: Server: Optimizer (CPU October 2016)

References

rhn.redhat.com / errata/RHSA-2016-2130.html

Third Party Advisory

rhn.redhat.com / errata/RHSA-2016-2131.html

Third Party Advisory

rhn.redhat.com / errata/RHSA-2016-2595.html

Third Party Advisory

rhn.redhat.com / errata/RHSA-2016-2749.html

Third Party Advisory

rhn.redhat.com / errata/RHSA-2016-2927.html

Third Party Advisory

rhn.redhat.com / errata/RHSA-2016-2928.html

Third Party Advisory

mariadb.com / kb/en/mariadb/mariadb-10028-release-notes

Release NotesThird Party Advisory

mariadb.com / kb/en/mariadb/mariadb-10118-release-notes

Release NotesThird Party Advisory

mariadb.com / kb/en/mariadb/mariadb-5552-release-notes

Release NotesThird Party Advisory

security.gentoo.org / glsa/201701-01

Third Party AdvisoryVDB Entry

oracle.com / technetwork/security-advisory/cpuoct2016-2881722.html

PatchVendor Advisory

securityfocus.com / bid/93650

Third Party AdvisoryVDB Entry

securitytracker.com / id/1037050

Third Party AdvisoryVDB Entry