CVE-2016-5440

Unspecified vulnerability in Oracle MySQL 5.5.49 and earlier, 5.6.30 and earlier, and 5.7.12 and earlier and MariaDB before 5.5.50, 10.0.x before 10.0.26, and 10.1.x before 10.1.15 allows remote administrators to affect availability via vectors related to Server: RBR.

Published: 2016-07-21 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-5440 is rated Moderate Risk (53.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.73%). Core evidence: EPSS rose +3.03% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-5440

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.71% 3.73% +3.03%
2 2026-05-29 0.62% 0.71% +0.09%
3 2026-04-29 0.62%

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-5440

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.9 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
1.2 3.6 [email protected]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2016-5440

OS Trackers for CVE-2016-5440

vendor priority summary link
redhat medium https://access.redhat.com/security/cve/CVE-2016-5440
suse medium CVE-2016-5440 severity moderate: SUSE including 190 source package names (4.0.0:libmysqlclient18-10.0.26-9.2, beta1:libmysqlclient18-10.0.26-9.2, …), 401 product×package rows across 60 product lines (Container caasp/v4/salt-master, Container caasp/v4/velum, … (60 product lines)): Fixed 372, Known Not Affected 29. https://www.suse.com/security/cve/CVE-2016-5440/
ubuntu medium CVE-2016-5440 medium priority: Ubuntu including 9 source packages (mariadb-10.0, mariadb-5.5, …), 211 status rows across 25 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, vivid, wily, xenial, yakkety, zesty): DNE 166, not-affected 19, released 14, ignored 6, needs-triage 5, needed 1. https://ubuntu.com/security/CVE-2016-5440

Affected software / configurations for CVE-2016-5440

Vendor Product Version Raw CPE
ibm powerkvm 2.1 cpe:2.3:a:ibm:powerkvm:2.1:*:*:*:*:*:*:*
ibm powerkvm 3.1 cpe:2.3:a:ibm:powerkvm:3.1:*:*:*:*:*:*:*
mariadb mariadb >= 5.5.20, < 5.5.50 cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
mariadb mariadb >= 10.0.0, < 10.0.26 cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
mariadb mariadb >= 10.1.0, < 10.1.15 cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
oracle mysql >= 5.5.0, <= 5.5.49 cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
oracle mysql >= 5.6.0, <= 5.6.30 cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
oracle mysql >= 5.7.0, <= 5.7.12 cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
oracle linux 7 cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 15.10 cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
redhat enterprise_linux_desktop 7.0 cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 7.0 cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 7.2 cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 7.6 cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
redhat enterprise_linux_server_eus 7.2 cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:*
redhat enterprise_linux_server_eus 7.3 cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*
redhat enterprise_linux_server_eus 7.4 cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
redhat enterprise_linux_server_eus 7.5 cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
redhat enterprise_linux_server_eus 7.6 cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
redhat enterprise_linux_server_tus 7.2 cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:*:*:*:*:*:*:*
redhat enterprise_linux_server_tus 7.3 cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*
redhat enterprise_linux_server_tus 7.6 cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 7.0 cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

References for CVE-2016-5440

URL Tags
http://lists.opensuse.org/opensuse-updates/2016-09/msg00042.html Mailing List Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1480.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1601.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1602.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1603.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1604.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1637.html Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg3T1024168 Third Party Advisory
http://www.debian.org/security/2016/dsa-3624 Third Party Advisory
http://www.debian.org/security/2016/dsa-3632 Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html Patch Vendor Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html Vendor Advisory
http://www.securityfocus.com/bid/91787 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/91953 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036362 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-3040-1 Third Party Advisory
https://mariadb.com/kb/en/mariadb/mariadb-10026-release-notes/ Vendor Advisory
https://mariadb.com/kb/en/mariadb/mariadb-10115-release-notes/ Vendor Advisory
https://mariadb.com/kb/en/mariadb/mariadb-5550-release-notes/ Vendor Advisory
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