{"cve":"CVE-2019-2503","nvd":{"published":"2019-01-16T19:30:34.610","modified":"2026-06-17T02:33:59.837","status":"Modified","description":"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).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H","score":6.4},"cwes":[],"references":["http://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html","http://www.securityfocus.com/bid/106626","https://access.redhat.com/errata/RHSA-2019:1258","https://access.redhat.com/errata/RHSA-2019:2327","https://access.redhat.com/errata/RHSA-2019:2484"],"products":["canonical:ubuntu_linux","mariadb:mariadb","netapp:active_iq_unified_manager","netapp:oncommand_insight","netapp:oncommand_workflow_automation","netapp:snapcenter","oracle:mysql","redhat:enterprise_linux_desktop","redhat:enterprise_linux_eus","redhat:enterprise_linux_server","redhat:enterprise_linux_server_aus","redhat:enterprise_linux_server_tus","redhat:enterprise_linux_workstation"],"source":"nvd","synced_at":"2026-10-19T20:54:36.112582389+00:00"},"epss":{"cve":"CVE-2019-2503","score":0.02507,"percentile":0.84752,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}