SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2015-4866

Unspecified vulnerability in Oracle MySQL Server 5.6.23 and earlier allows remote authenticated users to affect availability via unknown vectors related to Server : InnoDB.

MEDIUM 4.0EPSS 2.39%

Does this matter?

Lower severity and a low EPSS score (2.39%). Track it; it rarely justifies an emergency change on its own.

Description

Unspecified vulnerability in Oracle MySQL Server 5.6.23 and earlier allows remote authenticated users to affect availability via unknown vectors related to Server : InnoDB.

CVSS 2.0
4.0 MEDIUMAV:N/AC:L/Au:S/C:N/I:N/A:P
EPSS
2.39% probability · 84th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
oracle/mysql · mariadb/mariadb · canonical/ubuntu linux
Source
secalert_us@oracle.com
EPSS trend
0%3%5%26 October 2026: 2.39%26 October 202626 October 2026

EPSS 2.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.