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Fencer Vulns
medium 6.4

CVE-2019-2503 json

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

published 2019-01-16 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-12143

cvss
6.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Connection Handling). Supported versions that are affected are 5.6.42 and prior, 5.7.24 and prior and 8.0.13 and prior. Difficult to exploit vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 6.4 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H).

Patch / fix

  • mariadb mariadb 5.5.62, 10.0.37, 10.1.36, 10.2.18, 10.3.10
  • mysql-5.7 Ubuntu 16.04 LTS 5.7.25-0ubuntu0.16.04.2
  • mysql-5.7 Ubuntu 18.04 LTS 5.7.25-0ubuntu0.18.04.2
  • mariadb-5.5 Ubuntu 14.04 LTS 5.5.63-1ubuntu0.14.04.1
  • mariadb-10.0 Ubuntu 16.04 LTS 10.0.38-0ubuntu0.16.04.1
  • mariadb-10.1 Ubuntu 18.04 LTS 1:10.1.38-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2019-2503

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-2019:2484RHSA-2019:2327RHSA-2019:1258

  • mariadb openSUSE Tumbleweed 10.6.4-2.1

opensuse advisories openSUSE-SU-2024:11038-1

  • 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-2019-2503 updated cvss 6.4

mysql: Server: Connection Handling unspecified vulnerability (CPU Jan 2019)

  • Red Hat Enterprise Linux 5 mysql55-mysql Red Hat Enterprise Linux 6 mysql, mysql-libs, mysql-test, mysql-bench, mysql-server, mysql-embedded
    affected: no fix planned “Out of support scope”
  • Red Hat OpenStack Platform 8 (Liberty) mariadb-galera, mariadb-galera-common, mariadb-galera-server 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 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
    affected: no fix planned “Will not fix”
  • Red Hat Software Collections rh-mysql57-mysql, rh-mariadb101-mariadb, rh-mysql57-mysql-test, rh-mysql57-mysql-common, rh-mysql57-mysql-config, rh-mysql57-mysql-errmsg, +9 more
    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 Enterprise Linux Client (v. 7) mariadb 5.5.64-1.el7, mariadb-libs 5.5.64-1.el7, mariadb-server 5.5.64-1.el7 Red Hat Enterprise Linux Client Optional (v. 7) mariadb-test 5.5.64-1.el7, mariadb-bench 5.5.64-1.el7, mariadb-embedded 5.5.64-1.el7 Red Hat Enterprise Linux ComputeNode (v. 7) mariadb 5.5.64-1.el7, mariadb-libs 5.5.64-1.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) mariadb-test 5.5.64-1.el7, mariadb-bench 5.5.64-1.el7, mariadb-server 5.5.64-1.el7, mariadb-embedded 5.5.64-1.el7 Red Hat Enterprise Linux Server (v. 7) mariadb 5.5.64-1.el7, mariadb-libs 5.5.64-1.el7, mariadb-test 5.5.64-1.el7, mariadb-bench 5.5.64-1.el7, mariadb-server 5.5.64-1.el7 Red Hat Enterprise Linux Server Optional (v. 7) mariadb-embedded 5.5.64-1.el7
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 7) mariadb 5.5.64-1.el7, mariadb-libs 5.5.64-1.el7, mariadb-test 5.5.64-1.el7, mariadb-bench 5.5.64-1.el7, mariadb-server 5.5.64-1.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) mariadb-embedded 5.5.64-1.el7
    fixed: vendor fix RHSA-2019:2327
  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-mariadb102-galera 25.3.25-1.el6, rh-mariadb102-mariadb 10.2.22-1.el6, rh-mariadb102-mariadb-test 10.2.22-1.el6, rh-mariadb102-mariadb-bench 10.2.22-1.el6, rh-mariadb102-mariadb-backup 10.2.22-1.el6, rh-mariadb102-mariadb-common 10.2.22-1.el6, +14 more Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-mysql80-mysql 8.0.17-1.el7, rh-mariadb102-galera 25.3.25-1.el7, rh-mysql80-mysql-test 8.0.17-1.el7, rh-mariadb102-mariadb 10.2.22-1.el7, rh-mysql80-mysql-common 8.0.17-1.el7, rh-mysql80-mysql-config 8.0.17-1.el7, +23 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-mysql80-mysql 8.0.17-1.el7, rh-mariadb102-galera 25.3.25-1.el7, rh-mysql80-mysql-test 8.0.17-1.el7, rh-mariadb102-mariadb 10.2.22-1.el7, rh-mysql80-mysql-common 8.0.17-1.el7, rh-mysql80-mysql-config 8.0.17-1.el7, +23 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-mysql80-mysql 8.0.17-1.el7, rh-mariadb102-galera 25.3.25-1.el7, rh-mysql80-mysql-test 8.0.17-1.el7, rh-mariadb102-mariadb 10.2.22-1.el7, rh-mysql80-mysql-common 8.0.17-1.el7, rh-mysql80-mysql-config 8.0.17-1.el7, +23 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-mysql80-mysql 8.0.17-1.el7, rh-mariadb102-galera 25.3.25-1.el7, rh-mysql80-mysql-test 8.0.17-1.el7, rh-mariadb102-mariadb 10.2.22-1.el7, rh-mysql80-mysql-common 8.0.17-1.el7, rh-mysql80-mysql-config 8.0.17-1.el7, +23 more
    fixed: vendor fix RHSA-2019:1258
  • 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
    fixed: vendor fix RHSA-2019:2484
  • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-mariadb102-galera 25.3.25-1.el6, rh-mariadb102-mariadb 10.2.22-1.el6, rh-mariadb102-mariadb-test 10.2.22-1.el6, rh-mariadb102-mariadb-bench 10.2.22-1.el6, rh-mariadb102-mariadb-backup 10.2.22-1.el6, rh-mariadb102-mariadb-common 10.2.22-1.el6, +14 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-mysql80-mysql 8.0.17-1.el7, rh-mariadb102-galera 25.3.25-1.el7, rh-mysql80-mysql-test 8.0.17-1.el7, rh-mariadb102-mariadb 10.2.22-1.el7, rh-mysql80-mysql-common 8.0.17-1.el7, rh-mysql80-mysql-config 8.0.17-1.el7, +23 more
    fixed: vendor fix RHSA-2019:1258
show 1 more
  • Red Hat Enterprise Linux 8 Judy, galera, mariadb, mariadb-pam, mariadb-test, mariadb-backup, +8 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

2.51% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.4 CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H
NVD 2.0 3.8 AV:A/AC:M/Au:S/C:P/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.