Description
DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2016-6663. Reason: This candidate is a reservation duplicate of CVE-2016-6663. Notes: All CVE users should reference CVE-2016-6663 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | mariadb-10.0 | 10.0.28-0ubuntu0.16.04.1 | — |
| Ubuntu 14.04 LTS | mariadb-5.5 | 5.5.52-1ubuntu0.14.04.1 | — |
| Ubuntu 14.04 LTS | mysql-5.5 | 5.5.52-0ubuntu0.14.04.1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | mariadb +7 | 1:5.5.52-1.el7 | RHSA-2016:2595 |
| RHEL 6 | mysql +7 | 5.1.73-8.el6_8 | RHSA-2017:0184 |
| RHEL 2 | mariadb55-mariadb +5 | 5.5.53-1.el6 | RHSA-2016:2131 |
| RHEL 2 | mysql55-mysql +5 | 5.5.52-1.el6 | RHSA-2016:2130 |
| RHEL 2 | rh-mariadb100-mariadb +8 | 1:10.0.28-5.el6 | RHSA-2016:2927 |
| RHEL 2 | rh-mariadb101-mariadb +9 | 1:10.1.19-6.el6 | RHSA-2016:2928 |
| RHEL 2 | rh-mysql56-mysql +7 | 5.6.34-2.el6 | RHSA-2016:2749 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | mariadb104 | 10.4.30-150100.3.5.10 | SUSE-RU-2023:3956-1 |
| SLES 15 SP1 | python-mysqlclient | 1.4.6-150100.3.3.7 | SUSE-RU-2023:3956-1 |
| SLES 12 SP5 | lz4 | 1.8.0-3.5.2 | SUSE-RU-2023:4991-1 |
| SLES 12 SP5 | mariadb-connector-c | 3.1.22-2.35.1 | SUSE-RU-2023:4991-1 |
| SLES 12 SP5 | mariadb104 | 10.4.30-8.5.46 | SUSE-RU-2023:4991-1 |
| SLES 12 SP5 | python-mysqlclient | 1.3.14-8.9.2 | SUSE-RU-2023:4991-1 |
| SLES 12 SP2 | mariadb | 10.0.28-17.2 | SUSE-SU-2016:2933-1 |
| SLES 12 SP1 | mariadb | 10.0.28-17.2 | SUSE-SU-2016:2933-1 |
| SLES 12 | mariadb | 10.0.28-20.16.2 | SUSE-SU-2016:2932-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP1 | mariadb104 | 10.4.30-150100.3.5.10 | SUSE-RU-2023:3956-1 |
| SLES for SAP 15 SP1 | python-mysqlclient | 1.4.6-150100.3.3.7 | SUSE-RU-2023:3956-1 |
| SLES for SAP 12 SP5 | lz4 | 1.8.0-3.5.2 | SUSE-RU-2023:4991-1 |
| SLES for SAP 12 SP5 | mariadb-connector-c | 3.1.22-2.35.1 | SUSE-RU-2023:4991-1 |
| SLES for SAP 12 SP5 | mariadb104 | 10.4.30-8.5.46 | SUSE-RU-2023:4991-1 |
| SLES for SAP 12 SP5 | python-mysqlclient | 1.3.14-8.9.2 | SUSE-RU-2023:4991-1 |
| SLES for SAP 12 SP2 | mariadb | 10.0.28-17.2 | SUSE-SU-2016:2933-1 |
| SLES for SAP 12 SP1 | mariadb | 10.0.28-17.2 | SUSE-SU-2016:2933-1 |
| SLES for SAP 12 | mariadb | 10.0.28-20.16.2 | SUSE-SU-2016:2932-1 |
| SLE HPC 15 SP1 | mariadb104 | 10.4.30-150100.3.5.10 | SUSE-RU-2023:3956-1 |
| SLE HPC 15 SP1 | python-mysqlclient | 1.4.6-150100.3.3.7 | SUSE-RU-2023:3956-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | mariadb +7 | 1:5.5.52-1.el7 | ELSA-2016-2595 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- MySQL / MariaDB / PerconaDB 5.5.x/5.6.x/5.7.x - 'mysql' System User Privilege Escalation / Race Condition EDB-40678 · local · Nov 1, 2016
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 13
- WID-SEC-2026-3894 Oracle MySQL: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 13, 2026
- RHSA-2017:0184 Red Hat Security Advisory: mysql security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:2927 Red Hat Security Advisory: rh-mariadb100-mariadb security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:2928 Red Hat Security Advisory: rh-mariadb101-mariadb security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:2749 Red Hat Security Advisory: rh-mysql56-mysql security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:2595 Red Hat Security Advisory: mariadb security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:2131 Red Hat Security Advisory: mariadb55-mariadb security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:2130 Red Hat Security Advisory: mysql55-mysql security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- SUSE-RU-2023:4991-1 Recommended update for mariadb104 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2933-1 Recommended update for mariadb SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-RU-2023:3956-1 Recommended update for mariadb104 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2932-1 Security update for mariadb SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2016-2595 Important: mariadb security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 9, 2016