CVE-2016-6664
mysqld_safe in Oracle MySQL through 5.5.51, 5.6.x through 5.6.32, and 5.7.x through 5.7.14; MariaDB; Percona Server before 5.5.51-38.2, 5.6.x before 5.6.32-78-1, and 5.7.x before 5.7.14-8; and Percona
02 Description
mysqld_safe in Oracle MySQL through 5.5.51, 5.6.x through 5.6.32, and 5.7.x through 5.7.14; MariaDB; Percona Server before 5.5.51-38.2, 5.6.x before 5.6.32-78-1, and 5.7.x before 5.7.14-8; and Percona
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.96% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 87.1% of scored records. A rank, not a probability.
- NVD base score
- 7.0 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-12-13 21:00Z9 YR AGO
- Last updated
- 2024-08-06 01:36Z2 YR AGO
- Reserved
- 2016-08-10
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-59Improper Link Resolution Before File Access ('Link Following')Base
- Data version
- 5.1
- Document digest
- dae7b1543dd0c580919314a61add8bbc37d5f19e14ceb385bfb5a30a1e592158
05 Affected products
06 References
- rhn.redhat.comRHSA-2016:2749http://rhn.redhat.com/errata/RHSA-2016-2749.html
- seclists.org20161101 MySQL / MariaDB / PerconaDB - Privilege Escalation / Race Condition Exploit [CVE-2016-6663 / OCVE-2016-5616]http://seclists.org/fulldisclosure/2016/Nov/4
- www.securityfocus.com93612http://www.securityfocus.com/bid/93612
- www.percona.comhttps://www.percona.com/blog/2016/11/02/percona-responds-to-cve-2016-6663-and-cve-2016-6664/
- access.redhat.comRHSA-2018:0574https://access.redhat.com/errata/RHSA-2018:0574
- security.gentoo.orgGLSA-201702-18https://security.gentoo.org/glsa/201702-18
- www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- www.securityfocus.com20161104 MySQL / MariaDB / PerconaDB - Root Privilege Escalation Exploit ( CVE-2016-6664 / CVE-2016-5617 )http://www.securityfocus.com/archive/1/539695/100/0/threaded
- rhn.redhat.comRHSA-2016:2130http://rhn.redhat.com/errata/RHSA-2016-2130.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/139491/MySQL-MariaDB-PerconaDB-Root-Privilege-Escalation.html
- www.exploit-db.com40679https://www.exploit-db.com/exploits/40679/
- legalhackers.comhttp://legalhackers.com/advisories/MySQL-Maria-Percona-RootPrivEsc-CVE-2016-6664-5617-Exploit.html
- access.redhat.comRHSA-2018:0279https://access.redhat.com/errata/RHSA-2018:0279
- www.debian.orgDSA-3770http://www.debian.org/security/2017/dsa-3770
- access.redhat.comRHSA-2017:2192https://access.redhat.com/errata/RHSA-2017:2192
07 Fixed in
Ubuntu 14.04 LTS
- mysql-5.5 Fixed in 5.5.52-0ubuntu0.14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- mariadb-10.0 Fixed in 10.0.29-0ubuntu0.16.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.