CVE-2019-2455

23

FAUCET Score

CVE-2019-2455 is a vulnerability in the MySQL Server's Parser component, affecting Oracle MySQL versions 5.6.42 and prior, 5.7.24 and prior, and 8.0.13 and prior, as well as products from Canonical, MariaDB, NetApp, and Red Hat. This easily exploitable flaw allows a low-privileged attacker with network access to cause a complete denial of service (DoS) by repeatedly crashing the MySQL Server. With a CVSS 3.0 Base Score of 6.5 (Medium), its impact is solely on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 5.6.0, <= 5.6.42CPE matchmatch criteria	cpe:2.3:a:oracle:mysql::::::::
		>= 5.7.0, <= 5.7.24CPE matchmatch criteria	cpe:2.3:a:oracle:mysql::::::::
		>= 8.0.0, <= 8.0.13CPE matchmatch criteria	cpe:2.3:a:oracle:mysql::::::::
		16.04CPE matchmatch criteria	cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::
		18.04CPE matchmatch criteria	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::

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

3.69%

Probability of exploitation in next 30 days

EPSS Percentile

88.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0369 is in the 96th percentile among its peer group of 21,974 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 (26)

oraclepatch availablevia nvd_reference

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: mariadb-1:5.5.60-1.el7_5

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: mysql:8.0-8000020190807131617.f8e95b4e

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 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 7Fixed in: rh-mysql80-mysql-0:8.0.17-1.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 7.4 EUSFixed in: rh-mysql80-mysql-0:8.0.17-1.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 7.5 EUSFixed in: rh-mysql80-mysql-0:8.0.17-1.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

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

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

redhatend of lifevia redhat_api

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

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 6Fixed in: mysql

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

redhatend of lifevia redhat_api

Product: Red Hat OpenStack Platform 14 (Rocky)Fixed in: mariadb

redhatend of lifevia redhat_api

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

redhatend of lifevia redhat_api

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

redhatend of lifevia redhat_api

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

Vendor Advisories (1)

redhatCVE-2019-2455Moderate

mysql: Server: Parser unspecified vulnerability (CPU Jan 2019)

References

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

Third Party Advisory

access.redhat.com / errata/RHSA-2019:2484

Third Party Advisory

access.redhat.com / errata/RHSA-2019:2511

Third Party Advisory

security.netapp.com / advisory/ntap-20190118-0002

Third Party Advisory

usn.ubuntu.com / 3867-1

Third Party Advisory

oracle.com / technetwork/security-advisory/cpujan2019-5072801.html

PatchVendor Advisory

securityfocus.com / bid/106628

Third Party AdvisoryVDB Entry