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Fencer Vulns
medium 4.9

CVE-2019-2757 json

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer).

published 2019-07-23 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-12396

cvss
4.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.7.26 and prior and 8.0.16 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Patch / fix

  • mysql-5.7 Ubuntu 16.04 LTS 5.7.27-0ubuntu0.16.04.1
  • mysql-5.7 Ubuntu 18.04 LTS 5.7.27-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2019-2757

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • mecab RHEL 8 0.996-1.module+el8.0.0+3898+e09bb8de.9
  • mysql RHEL 8 8.0.17-3.module+el8.0.0+3898+e09bb8de
  • mysql-libs RHEL 8 8.0.17-3.module+el8.0.0+3898+e09bb8de
  • mysql-test RHEL 8 8.0.17-3.module+el8.0.0+3898+e09bb8de
  • mecab-ipadic RHEL 8 2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de
  • mysql-common RHEL 8 8.0.17-3.module+el8.0.0+3898+e09bb8de
  • mysql-errmsg RHEL 8 8.0.17-3.module+el8.0.0+3898+e09bb8de
  • mysql-server RHEL 8 8.0.17-3.module+el8.0.0+3898+e09bb8de

red hat advisories RHSA-2019:2511RHSA-2019:2484

  • mecab AlmaLinux 8 0.996-1.module_el8.4.0+2532+b8928c02.9
  • mecab AlmaLinux 8 0.996-1.module_el8.5.0+33+8bc5f36a.9
  • mecab-ipadic AlmaLinux 8 2.7.0.20070801-16.module_el8.5.0+33+8bc5f36a
  • mecab-ipadic AlmaLinux 8 2.7.0.20070801-16.module_el8.4.0+2532+b8928c02
  • mecab-ipadic-EUCJP AlmaLinux 8 2.7.0.20070801-16.module_el8.5.0+33+8bc5f36a
  • mecab-ipadic-EUCJP AlmaLinux 8 2.7.0.20070801-16.module_el8.4.0+2532+b8928c02

almalinux advisories ALSA-2019:2511

  • mecab Rocky Linux 8 0.996-1.module+el8.3.0+242+87d3366a.9
  • mecab-ipadic Rocky Linux 8 2.7.0.20070801-16.module+el8.3.0+242+87d3366a

rocky linux advisories RLSA-2019:2511

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-2757 updated cvss 4.9

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

  • Red Hat Software Collections rh-mysql57-mysql, rh-mysql57-mysql-test, rh-mysql57-mysql-common, rh-mysql57-mysql-config, rh-mysql57-mysql-errmsg, rh-mysql57-mysql-server
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) mysql 8.0.17-3.module+el8.0.0+3898+e09bb8de, mecab 0.996-1.module+el8.0.0+3898+e09bb8de.9, mysql-libs 8.0.17-3.module+el8.0.0+3898+e09bb8de, mysql-test 8.0.17-3.module+el8.0.0+3898+e09bb8de, mysql-common 8.0.17-3.module+el8.0.0+3898+e09bb8de, mysql-errmsg 8.0.17-3.module+el8.0.0+3898+e09bb8de, +3 more
    fixed: vendor fix RHSA-2019:2511
  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-mysql80-mysql 8.0.17-1.el7, rh-mysql80-mysql-test 8.0.17-1.el7, rh-mysql80-mysql-common 8.0.17-1.el7, rh-mysql80-mysql-config 8.0.17-1.el7, rh-mysql80-mysql-errmsg 8.0.17-1.el7, rh-mysql80-mysql-server 8.0.17-1.el7, +3 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-mysql80-mysql 8.0.17-1.el7, rh-mysql80-mysql-test 8.0.17-1.el7, rh-mysql80-mysql-common 8.0.17-1.el7, rh-mysql80-mysql-config 8.0.17-1.el7, rh-mysql80-mysql-errmsg 8.0.17-1.el7, rh-mysql80-mysql-server 8.0.17-1.el7, +3 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-mysql80-mysql 8.0.17-1.el7, rh-mysql80-mysql-test 8.0.17-1.el7, rh-mysql80-mysql-common 8.0.17-1.el7, rh-mysql80-mysql-config 8.0.17-1.el7, rh-mysql80-mysql-errmsg 8.0.17-1.el7, rh-mysql80-mysql-server 8.0.17-1.el7, +3 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-mysql80-mysql 8.0.17-1.el7, rh-mysql80-mysql-test 8.0.17-1.el7, rh-mysql80-mysql-common 8.0.17-1.el7, rh-mysql80-mysql-config 8.0.17-1.el7, rh-mysql80-mysql-errmsg 8.0.17-1.el7, rh-mysql80-mysql-server 8.0.17-1.el7, +3 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-mysql80-mysql 8.0.17-1.el7, rh-mysql80-mysql-test 8.0.17-1.el7, rh-mysql80-mysql-common 8.0.17-1.el7, rh-mysql80-mysql-config 8.0.17-1.el7, rh-mysql80-mysql-errmsg 8.0.17-1.el7, rh-mysql80-mysql-server 8.0.17-1.el7, +3 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-mysql80-mysql 8.0.17-1.el7, rh-mysql80-mysql-test 8.0.17-1.el7, rh-mysql80-mysql-common 8.0.17-1.el7, rh-mysql80-mysql-config 8.0.17-1.el7, rh-mysql80-mysql-errmsg 8.0.17-1.el7, rh-mysql80-mysql-server 8.0.17-1.el7, +3 more
    fixed: vendor fix RHSA-2019:2484
  • Red Hat Enterprise Linux 5 mysql55-mysql Red Hat Enterprise Linux 6 mysql, mysql-libs, mysql-test, mysql-bench, mysql-server, mysql-embedded Red Hat Enterprise Linux 7 mariadb, mariadb-libs, mariadb-test, mariadb-bench, mariadb-server, mariadb-embedded Red Hat Enterprise Linux 8 Judy, galera, mariadb, mariadb-pam, mariadb-test, mariadb-backup, +8 more Red Hat OpenStack Platform 9 (Mitaka) mariadb-galera, mariadb-galera-common, mariadb-galera-server Red Hat OpenStack Platform 10 (Newton) mariadb-galera, mariadb-galera-common, mariadb-galera-server
    +3 more products
    Red Hat OpenStack Platform 13 (Queens) mariadb, mariadb-libs, mariadb-test, mariadb-common, mariadb-config, mariadb-errmsg, +3 more Red Hat OpenStack Platform 14 (Rocky) mariadb, mariadb-libs, mariadb-test, mariadb-common, mariadb-config, mariadb-errmsg, +3 more Red Hat Software Collections rh-mariadb102-mariadb, rh-mariadb103-mariadb, rh-mariadb102-mariadb-test, rh-mariadb103-mariadb-test, rh-mariadb102-mariadb-bench, rh-mariadb102-mariadb-backup, +31 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

2.25% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P

Affected products

  • Oracle Corporation MySQL Server

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.