# CVE-2023-5157: Mariadb: node crashes with transport endpoint is not connected mysqld got signal 6 Status: published. Published: 2023-09-26. Updated: 2026-11-07. A vulnerability was found in MariaDB. An OpenVAS port scan on ports 3306 and 4567 allows a malicious remote client to cause a denial of service. ## Remediation No remediation reported in collected sources ## Affected products and versions - Red Hat / Red Hat Enterprise Linux 8 (mariadb:10.3): ≥ 8080020230814130040.63b34585; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8 (mariadb:10.5): ≥ 8080020231003163755.63b34585; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support (mariadb:10.5): ≥ 8040020231006044227.522a0ee4; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8.4 Telecommunications Update Service (mariadb:10.5): ≥ 8040020231006044227.522a0ee4; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions (mariadb:10.5): ≥ 8040020231006044227.522a0ee4; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support (mariadb:10.5): ≥ 8060020231005052631.ad008a3a; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 9 (galera): ≥ 0:26.4.14-1.el9_2; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 9 (mariadb): ≥ 3:10.5.22-1.el9_2; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 9.0 Extended Update Support (galera): ≥ 0:26.4.14-1.el9_0; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 9.0 Extended Update Support (mariadb): ≥ 3:10.5.22-1.el9_0; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-mariadb105-galera): ≥ 0:26.4.14-1.el7; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-mariadb105-mariadb): ≥ 3:10.5.22-1.el7; < * (unaffected, rpm). Source: CNA: redhat - Red Hat / Red Hat Enterprise Linux 7 (mariadb): Version range not reported. Source: CNA: redhat ## Severity and prioritization - CVSS 3.1: 7.5 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H; source: CNA: redhat - CISA KEV: No listing in collected sources - EPSS: 2.26% as of 2026-11-07; percentile 83.05% - SSVC: exploitation none; automatable yes; technical impact partial; source ADP: CISA-ADP - Weaknesses: CWE-400 ## Exploit evidence No exploit evidence in collected sources. This is not proof of no exploitation. ## References - https://access.redhat.com/errata/RHSA-2023:5259 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2023:5683 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2023:5684 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2023:6821 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2023:6822 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2023:6883 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2023:7633 (CNA: redhat; vendor-advisory, x_refsource_REDHAT) - https://access.redhat.com/security/cve/CVE-2023-5157 (CNA: redhat; vdb-entry, x_refsource_REDHAT) - https://bugzilla.redhat.com/show_bug.cgi?id=2240246 (CNA: redhat; issue-tracking, x_refsource_REDHAT) - https://access.redhat.com/errata/RHSA-2023:5683 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/errata/RHSA-2023:5684 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/errata/RHSA-2023:6821 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/errata/RHSA-2023:6822 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/errata/RHSA-2023:6883 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/errata/RHSA-2023:7633 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred) - https://access.redhat.com/security/cve/CVE-2023-5157 (ADP: CVE; vdb-entry, x_refsource_REDHAT, x_transferred) - https://bugzilla.redhat.com/show_bug.cgi?id=2240246 (ADP: CVE; issue-tracking, x_refsource_REDHAT, x_transferred) ## Provenance - CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2023-5157; retrieved 2026-11-07; source updated 2026-11-07 - FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2023-5157; retrieved 2026-11-07; source updated Not reported Revision: 7a02ed20871424629583dc209528a6c6a9acfa91216f62c7e4b25949e06206f4 Canonical: https://y2.dev/cve/CVE-2023-5157 ## Agent and API access Public CVE pages, Markdown, and JSON are free to read without an account or API key. - Public catalog: https://y2.dev/cve/index.json. 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