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CVE-2019-2974

20
FAUCET Score

CVE-2019-2974 is a denial-of-service vulnerability affecting Oracle MySQL Server versions 5.6.45 and prior, 5.7.27 and prior, and 8.0.17 and prior, specifically within the Optimizer component. This vulnerability allows a low-privileged attacker with network access to cause a complete system crash or hang. Rated with a CVSS 3.0 Base Score of 6.5 (Medium), it is easily exploitable with no user interaction required, impacting only availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.6.0, <= 5.6.45CPE matchmatch criteria
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
>= 5.7.0, <= 5.7.27CPE matchmatch criteria
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
>= 8.0.0, <= 8.0.17CPE matchmatch criteria
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
>= 5.5.0, < 5.5.66CPE matchmatch criteria
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
>= 10.1.0, < 10.1.42CPE 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
3.73%
Probability of exploitation in next 30 days
EPSS Percentile
88.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0373 is in the 96th percentile among its peer group of 21,977 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 (28)

oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: mariadb-1:5.5.68-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: mysql:8.0-8020020200828111438.4cda2c84
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: mariadb:10.3-8030020201203011231.229f0a1c
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.0 Update Services for SAP SolutionsFixed in: mysql:8.0-8000020200828111808.f8e95b4e
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.0 Update Services for SAP SolutionsFixed in: mariadb:10.3-8000020201221114409.f8e95b4e
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.1 Extended Update SupportFixed in: mysql:8.0-8010020200828111645.c27ad7f8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.1 Extended Update SupportFixed in: mariadb:10.3-8010020201214133427.c27ad7f8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Extended Update SupportFixed in: mariadb:10.3-8020020201214133105.4cda2c84
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-mariadb102-galera-0:25.3.29-1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-mariadb102-mariadb-1:10.2.33-1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mysql80-mysql-0:8.0.21-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mariadb102-galera-0:25.3.29-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mariadb102-mariadb-1:10.2.33-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mariadb103-galera-0:25.3.31-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mariadb103-mariadb-3:10.3.27-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-mysql80-mysql-0:8.0.21-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-mariadb102-galera-0:25.3.29-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-mariadb102-mariadb-1:10.2.33-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-mariadb103-galera-0:25.3.31-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-mariadb103-mariadb-3:10.3.27-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-mysql80-mysql-0:8.0.21-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-mariadb102-galera-0:25.3.29-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-mariadb102-mariadb-1:10.2.33-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-mariadb103-galera-0:25.3.31-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-mariadb103-mariadb-3:10.3.27-1.el7
View patch
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 13 (Queens)Fixed in: mariadb

Vendor Advisories (1)

redhatCVE-2019-2974Moderate

mysql: Server: Optimizer unspecified vulnerability (CPU Oct 2019)

Oct 15, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-12/msg00037.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/6DTUCXX5XXPNPFV2PHP6IESGTCFMZOFP
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/7X5D3O4TOQ57KL5FLQEXH2JB2UQYHCUZ
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/MKCJLNRK6RHFAHV7ZFD3XO7HNSBU3XOL
security.gentoo.org / glsa/202105-27
Third Party Advisory
security.netapp.com / advisory/ntap-20191017-0002
Third Party Advisory
usn.ubuntu.com / 4195-1
Third Party Advisory
usn.ubuntu.com / 4195-2
Third Party Advisory
oracle.com / technetwork/security-advisory/cpuoct2019-5072832.html
PatchVendor Advisory