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CVE-2019-2774

17
FAUCET Score

CVE-2019-2774 is a vulnerability affecting the MySQL Server component (Optimizer subcomponent) in Oracle MySQL versions 5.7.26 and prior, and 8.0.16 and prior, as well as canonical, fedoraproject, and redhat distributions. This easily exploitable flaw allows a high-privileged attacker with network access to cause a complete denial of service (hang or crash) of the MySQL Server. With a CVSS v3.0 Base Score of 4.9 (Medium), the attack complexity is low, requiring high privileges but no user interaction, and primarily impacts availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.7.0, <= 5.7.26CPE matchmatch criteria
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
>= 8.0.0, <= 8.0.16CPE matchmatch criteria
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
19.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*

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
2.31%
Probability of exploitation in next 30 days
EPSS Percentile
81.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0231 is in the 91st percentile among its peer group of 3,563 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 (7)

oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: mysql:8.0-8000020190807131617.f8e95b4e
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mysql80-mysql-0:8.0.17-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-mysql80-mysql-0:8.0.17-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-mysql80-mysql-0:8.0.17-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-mysql80-mysql-0:8.0.17-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-mysql80-mysql-0:8.0.17-1.el7
View patch

Vendor Advisories (1)

redhatCVE-2019-2774Moderate

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

Jul 16, 2019

References

access.redhat.com / errata/RHSA-2019:2484
Third Party Advisory
access.redhat.com / errata/RHSA-2019:2511
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/A55N3HZ3JZBXHQMGTUHY63FVTDU5ILEV
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/CN3JPT5ICOAWQNPFVPVLLYR4TQIX4MXP
support.f5.com / csp/article/K14118520
Third Party Advisory
support.f5.com / csp/article/K14118520
usn.ubuntu.com / 4070-1
Third Party Advisory
oracle.com / technetwork/security-advisory/cpujul2019-5072835.html
PatchVendor Advisory