CVE-2019-2923

libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Security: Encryption)

CVE-2019-2923 is fixed in 18 products on 1 platform, first by libmysqlclient20 5.7.28-0ubuntu0.18.04.4, released October 16, 2019. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0215
82nd percentile

Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Security: Encryption). Supported versions that are affected are5.6.45 and prior and 5.7.27 and prior. Easily exploitable vulnerabilityallows unauthenticated attacker with network access via multiple protocolsto compromise MySQL Server. Successful attacks of this vulnerability canresult in unauthorized read access to a subset of MySQL Server accessibledata. CVSS 3.0 Base Score 5.3 (Confidentiality impacts). CVSS Vector:(CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Where it's fixed

ProductFixed inFixReleased
Linux
libmysqlclient20 · Ubuntu 18.04.6 LTS (bionic) 5.7.28-0ubuntu0.18.04.4 libmysqlclient20 5.7.28-0ubuntu0.18.04.4 Oct 16, 2019
libmysqlclient21 · Ubuntu 20.04 LTS (focal) 8.0.18-0ubuntu3 libmysqlclient21 8.0.18-0ubuntu3 Oct 16, 2019
libmysqlclient21 · Ubuntu 24.10 (oracular) 8.0.18-0ubuntu3 libmysqlclient21 8.0.18-0ubuntu3 Jan 16, 2026
mysql-client · Ubuntu 18.04.6 LTS (bionic) 5.7.28-0ubuntu0.18.04.4 mysql-client 5.7.28-0ubuntu0.18.04.4 Oct 16, 2019
mysql-client · Ubuntu 20.04 LTS (focal) 8.0.18-0ubuntu3 mysql-client 8.0.18-0ubuntu3 Oct 16, 2019
mysql-client · Ubuntu 24.10 (oracular) 8.0.18-0ubuntu3 mysql-client 8.0.18-0ubuntu3 Jan 16, 2026
mysql-client-5.7 · Ubuntu 18.04.6 LTS (bionic) 5.7.28-0ubuntu0.18.04.4 mysql-client-5.7 5.7.28-0ubuntu0.18.04.4 Oct 16, 2019
mysql-client-8.0 · Ubuntu 20.04 LTS (focal) 8.0.18-0ubuntu3 mysql-client-8.0 8.0.18-0ubuntu3 Oct 16, 2019
mysql-client-8.0 · Ubuntu 24.10 (oracular) 8.0.18-0ubuntu3 mysql-client-8.0 8.0.18-0ubuntu3 Jan 16, 2026
mysql-client-core-5.7 · Ubuntu 18.04.6 LTS (bionic) 5.7.28-0ubuntu0.18.04.4 mysql-client-core-5.7 5.7.28-0ubuntu0.18.04.4 Oct 16, 2019
mysql-client-core-8.0 · Ubuntu 20.04 LTS (focal) 8.0.18-0ubuntu3 mysql-client-core-8.0 8.0.18-0ubuntu3 Oct 16, 2019
mysql-client-core-8.0 · Ubuntu 24.10 (oracular) 8.0.18-0ubuntu3 mysql-client-core-8.0 8.0.18-0ubuntu3 Jan 16, 2026
mysql-router · Ubuntu 20.04 LTS (focal) 8.0.18-0ubuntu3 mysql-router 8.0.18-0ubuntu3 Oct 16, 2019
mysql-router · Ubuntu 24.10 (oracular) 8.0.18-0ubuntu3 mysql-router 8.0.18-0ubuntu3 Jan 16, 2026
mysql-server · Ubuntu 18.04.6 LTS (bionic) 5.7.28-0ubuntu0.18.04.4 mysql-server 5.7.28-0ubuntu0.18.04.4 Oct 16, 2019
mysql-server · Ubuntu 20.04 LTS (focal) 8.0.18-0ubuntu3 mysql-server 8.0.18-0ubuntu3 Oct 16, 2019
mysql-server · Ubuntu 24.10 (oracular) 8.0.18-0ubuntu3 mysql-server 8.0.18-0ubuntu3 Jan 16, 2026
mysql-server-5.7 · Ubuntu 18.04.6 LTS (bionic) 5.7.28-0ubuntu0.18.04.4 mysql-server-5.7 5.7.28-0ubuntu0.18.04.4 Oct 16, 2019
mysql-server-8.0 · Ubuntu 20.04 LTS (focal) 8.0.18-0ubuntu3 mysql-server-8.0 8.0.18-0ubuntu3 Oct 16, 2019
mysql-server-8.0 · Ubuntu 24.10 (oracular) 8.0.18-0ubuntu3 mysql-server-8.0 8.0.18-0ubuntu3 Jan 16, 2026
mysql-server-core-5.7 · Ubuntu 18.04.6 LTS (bionic) 5.7.28-0ubuntu0.18.04.4 mysql-server-core-5.7 5.7.28-0ubuntu0.18.04.4 Oct 16, 2019
mysql-server-core-8.0 · Ubuntu 20.04 LTS (focal) 8.0.18-0ubuntu3 mysql-server-core-8.0 8.0.18-0ubuntu3 Oct 16, 2019
mysql-server-core-8.0 · Ubuntu 24.10 (oracular) 8.0.18-0ubuntu3 mysql-server-core-8.0 8.0.18-0ubuntu3 Jan 16, 2026
mysql-source-5.7 · Ubuntu 18.04.6 LTS (bionic) 5.7.28-0ubuntu0.18.04.4 mysql-source-5.7 5.7.28-0ubuntu0.18.04.4 Oct 16, 2019
mysql-source-8.0 · Ubuntu 20.04 LTS (focal) 8.0.18-0ubuntu3 mysql-source-8.0 8.0.18-0ubuntu3 Oct 16, 2019
mysql-source-8.0 · Ubuntu 24.10 (oracular) 8.0.18-0ubuntu3 mysql-source-8.0 8.0.18-0ubuntu3 Jan 16, 2026
mysql-testsuite · Ubuntu 18.04.6 LTS (bionic) 5.7.28-0ubuntu0.18.04.4 mysql-testsuite 5.7.28-0ubuntu0.18.04.4 Oct 16, 2019
mysql-testsuite · Ubuntu 20.04 LTS (focal) 8.0.18-0ubuntu3 mysql-testsuite 8.0.18-0ubuntu3 Oct 16, 2019
mysql-testsuite · Ubuntu 24.10 (oracular) 8.0.18-0ubuntu3 mysql-testsuite 8.0.18-0ubuntu3 Jan 16, 2026
mysql-testsuite-5.7 · Ubuntu 18.04.6 LTS (bionic) 5.7.28-0ubuntu0.18.04.4 mysql-testsuite-5.7 5.7.28-0ubuntu0.18.04.4 Oct 16, 2019
mysql-testsuite-8.0 · Ubuntu 20.04 LTS (focal) 8.0.18-0ubuntu3 mysql-testsuite-8.0 8.0.18-0ubuntu3 Oct 16, 2019
mysql-testsuite-8.0 · Ubuntu 24.10 (oracular) 8.0.18-0ubuntu3 mysql-testsuite-8.0 8.0.18-0ubuntu3 Jan 16, 2026

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