CVE-2015-4870

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 30.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2015-10-21 · updated 2026-06-17

Description

Unspecified vulnerability in Oracle MySQL Server 5.5.45 and earlier, and 5.6.26 and earlier, allows remote authenticated users to affect availability via unknown vectors related to Server : Parser.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 15.04, 15.10
Debian Linux: 7.0, 8.0
Fedoraproject Fedora: 23
MariaDB: from 5.5.0 before 5.5.46; from 10.0.0 before 10.0.22; from 10.1.0 before 10.1.8 — fixed in 10.0.22, 10.1.8, 5.5.46
openSUSE Leap: 42.1
Opensuse: 13.1, 13.2
Oracle Corporation Oracle Linux: 7
MySQL Server: from 5.5.0 through 5.5.45; from 5.6.0 through 5.6.26
Oracle Corporation Solaris Operating System: 11.3
RedHat Enterprise Linux Desktop: 7.0
RedHat Enterprise Linux Eus: 7.1, 7.2, 7.3, 7.4, 7.5, 7.6 (+1)
RedHat Enterprise Linux Server: 7.0
RedHat Enterprise Linux Server Aus: 7.3, 7.4, 7.6, 7.7
RedHat Enterprise Linux Server Tus: 7.3, 7.6, 7.7
RedHat Enterprise Linux Workstation: 7.0

How to fix

Upgrade to a fixed version: MariaDB 10.0.22, 10.1.8, 5.5.46. Check the vendor advisory for mitigations.

References

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