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TI-2016-05708 Aliases CVE-2016-6663GHSA-g76x-xjc6-4pgh

Race condition in Oracle MySQL before 5.5.52, 5.6.x before 5.6.33, 5.7.x before 5.7.15…

Priority LOW 38CWE-362Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 25 fixed, 10 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.

Summary

Race condition in Oracle MySQL before 5.5.52, 5.6.x before 5.6.33, 5.7.x before 5.7.15, and 8.x before 8.0.1; MariaDB before 5.5.52, 10.0.x before 10.0.28, and 10.1.x before 10.1.18; 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 XtraDB Cluster before 5.5.41-37.0, 5.6.x before 5.6.32-25.17, and 5.7.x before 5.7.14-26.17 allows local users with certain permissions to gain privileges by leveraging use of my_copystat by REPAIR TABLE to repair a MyISAM table.

Why it matters now

EPSS 0.04313 91st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix Partial Red Hat: 7 advisoriesRed Hat: 25 fixed, 10 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*5.5.0 – 5.5.52; 5.6.0 – 5.6.33; 5.7.0 – 5.7.15VulnerableOracle
cpe:2.3:a:percona:percona_server:*:*:*:*:*:*:*:*5.5 to before 5.5.51-38.2; 5.6 to before 5.6.32-78.1; 5.7 to before 5.7.14-8VulnerablePercona
cpe:2.3:a:percona:xtradb_cluster:*:*:*:*:*:*:*:*5.5 to before 5.5.41-37.0; 5.6 to before 5.6.32-25.17; 5.7 to before 5.7.14-26.17VulnerablePercona
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*5.5.20 to before 5.5.52; 10.0.0 to before 10.0.28; 10.1.0 to before 10.1.18VulnerableMariaDB
cpe:2.3:a:oracle:mysql:8.0:*:*:*:*:*:*:*8.0VulnerableOracle
  • cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* Versions 5.5.0 – 5.5.52; 5.6.0 – 5.6.33; 5.7.0 – 5.7.15 Vulnerable ·Oracle
  • cpe:2.3:a:percona:percona_server:*:*:*:*:*:*:*:* Versions 5.5 to before 5.5.51-38.2; 5.6 to before 5.6.32-78.1; 5.7 to before 5.7.14-8 Vulnerable ·Percona
  • cpe:2.3:a:percona:xtradb_cluster:*:*:*:*:*:*:*:* Versions 5.5 to before 5.5.41-37.0; 5.6 to before 5.6.32-25.17; 5.7 to before 5.7.14-26.17 Vulnerable ·Percona
  • cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* Versions 5.5.20 to before 5.5.52; 10.0.0 to before 10.0.28; 10.1.0 to before 10.1.18 Vulnerable ·MariaDB
  • cpe:2.3:a:oracle:mysql:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Oracle

Remediation

Red Hat 7 advisories

  • RHSA-2017:0184 Released 2017-01-24 · Red Hat rating Important
    mysql security update
    • Red Hat Enterprise Linux Desktop (v. 6) mysql-5.1.73-8.el6_8, mysql-libs-5.1.73-8.el6_8, mysql-server-5.1.73-8.el6_8
    • Red Hat Enterprise Linux Desktop Optional (v. 6) mysql-bench-5.1.73-8.el6_8, mysql-devel-5.1.73-8.el6_8, mysql-embedded-5.1.73-8.el6_8 +2
    • Red Hat Enterprise Linux HPC Node (v. 6) mysql-5.1.73-8.el6_8, mysql-libs-5.1.73-8.el6_8
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) mysql-bench-5.1.73-8.el6_8, mysql-devel-5.1.73-8.el6_8, mysql-embedded-5.1.73-8.el6_8 +3
    • Red Hat Enterprise Linux Server (v. 6) mysql-5.1.73-8.el6_8, mysql-bench-5.1.73-8.el6_8, mysql-devel-5.1.73-8.el6_8 +5
    • Red Hat Enterprise Linux Server Optional (v. 6) mysql-embedded-5.1.73-8.el6_8, mysql-embedded-5.1.73-8.el6_8.ppc, mysql-embedded-devel-5.1.73-8.el6_8 +1
    • Red Hat Enterprise Linux Workstation (v. 6) mysql-5.1.73-8.el6_8, mysql-bench-5.1.73-8.el6_8, mysql-devel-5.1.73-8.el6_8 +3
    • Red Hat Enterprise Linux Workstation Optional (v. 6) mysql-embedded-5.1.73-8.el6_8, mysql-embedded-devel-5.1.73-8.el6_8
  • RHSA-2016:2927 Released 2016-12-08 · Red Hat rating Important
    rh-mariadb100-mariadb security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-mariadb100-mariadb-1:10.0.28-5.el6, rh-mariadb100-mariadb-bench-1:10.0.28-5.el6, rh-mariadb100-mariadb-common-1:10.0.28-5.el6 +6
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-mariadb100-mariadb-1:10.0.28-5.el7, rh-mariadb100-mariadb-bench-1:10.0.28-5.el7, rh-mariadb100-mariadb-common-1:10.0.28-5.el7 +6
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-mariadb100-mariadb-1:10.0.28-5.el6, rh-mariadb100-mariadb-bench-1:10.0.28-5.el6, rh-mariadb100-mariadb-common-1:10.0.28-5.el6 +6
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2) rh-mariadb100-mariadb-1:10.0.28-5.el7, rh-mariadb100-mariadb-bench-1:10.0.28-5.el7, rh-mariadb100-mariadb-common-1:10.0.28-5.el7 +6
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-mariadb100-mariadb-1:10.0.28-5.el7, rh-mariadb100-mariadb-bench-1:10.0.28-5.el7, rh-mariadb100-mariadb-common-1:10.0.28-5.el7 +6
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-mariadb100-mariadb-1:10.0.28-5.el6, rh-mariadb100-mariadb-bench-1:10.0.28-5.el6, rh-mariadb100-mariadb-common-1:10.0.28-5.el6 +6
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-mariadb100-mariadb-1:10.0.28-5.el7, rh-mariadb100-mariadb-bench-1:10.0.28-5.el7, rh-mariadb100-mariadb-common-1:10.0.28-5.el7 +6
  • RHSA-2016:2928 Released 2016-12-08 · Red Hat rating Important
    rh-mariadb101-mariadb security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-mariadb101-mariadb-1:10.1.19-6.el6, rh-mariadb101-mariadb-bench-1:10.1.19-6.el6, rh-mariadb101-mariadb-common-1:10.1.19-6.el6 +7
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-mariadb101-mariadb-1:10.1.19-6.el7, rh-mariadb101-mariadb-bench-1:10.1.19-6.el7, rh-mariadb101-mariadb-common-1:10.1.19-6.el7 +7
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-mariadb101-mariadb-1:10.1.19-6.el6, rh-mariadb101-mariadb-bench-1:10.1.19-6.el6, rh-mariadb101-mariadb-common-1:10.1.19-6.el6 +7
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2) rh-mariadb101-mariadb-1:10.1.19-6.el7, rh-mariadb101-mariadb-bench-1:10.1.19-6.el7, rh-mariadb101-mariadb-common-1:10.1.19-6.el7 +7
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-mariadb101-mariadb-1:10.1.19-6.el7, rh-mariadb101-mariadb-bench-1:10.1.19-6.el7, rh-mariadb101-mariadb-common-1:10.1.19-6.el7 +7
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-mariadb101-mariadb-1:10.1.19-6.el6, rh-mariadb101-mariadb-bench-1:10.1.19-6.el6, rh-mariadb101-mariadb-common-1:10.1.19-6.el6 +7
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-mariadb101-mariadb-1:10.1.19-6.el7, rh-mariadb101-mariadb-bench-1:10.1.19-6.el7, rh-mariadb101-mariadb-common-1:10.1.19-6.el7 +7
Show 4 more Red Hat advisories
  • RHSA-2016:2749 Released 2016-11-15 · Red Hat rating Important
    rh-mysql56-mysql security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-mysql56-mysql-5.6.34-2.el6, rh-mysql56-mysql-bench-5.6.34-2.el6, rh-mysql56-mysql-common-5.6.34-2.el6 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-mysql56-mysql-5.6.34-2.el7, rh-mysql56-mysql-bench-5.6.34-2.el7, rh-mysql56-mysql-common-5.6.34-2.el7 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-mysql56-mysql-5.6.34-2.el6, rh-mysql56-mysql-bench-5.6.34-2.el6, rh-mysql56-mysql-common-5.6.34-2.el6 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) rh-mysql56-mysql-5.6.34-2.el7, rh-mysql56-mysql-bench-5.6.34-2.el7, rh-mysql56-mysql-common-5.6.34-2.el7 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2) rh-mysql56-mysql-5.6.34-2.el7, rh-mysql56-mysql-bench-5.6.34-2.el7, rh-mysql56-mysql-common-5.6.34-2.el7 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-mysql56-mysql-5.6.34-2.el6, rh-mysql56-mysql-bench-5.6.34-2.el6, rh-mysql56-mysql-common-5.6.34-2.el6 +5
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-mysql56-mysql-5.6.34-2.el7, rh-mysql56-mysql-bench-5.6.34-2.el7, rh-mysql56-mysql-common-5.6.34-2.el7 +5
  • RHSA-2016:2595 Released 2016-11-03 · Red Hat rating Important
    mariadb security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) mariadb-1:5.5.52-1.el7, mariadb-libs-1:5.5.52-1.el7, mariadb-server-1:5.5.52-1.el7
    • Red Hat Enterprise Linux Client Optional (v. 7) mariadb-bench-1:5.5.52-1.el7, mariadb-devel-1:5.5.52-1.el7, mariadb-embedded-1:5.5.52-1.el7 +2
    • Red Hat Enterprise Linux ComputeNode (v. 7) mariadb-1:5.5.52-1.el7, mariadb-libs-1:5.5.52-1.el7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) mariadb-bench-1:5.5.52-1.el7, mariadb-devel-1:5.5.52-1.el7, mariadb-embedded-1:5.5.52-1.el7 +3
    • Red Hat Enterprise Linux Server (v. 7) mariadb-1:5.5.52-1.el7, mariadb-bench-1:5.5.52-1.el7, mariadb-devel-1:5.5.52-1.el7 +5
    • Red Hat Enterprise Linux Server Optional (v. 7) mariadb-embedded-1:5.5.52-1.el7, mariadb-embedded-1:5.5.52-1.el7.ppc, mariadb-embedded-devel-1:5.5.52-1.el7 +1
    • Red Hat Enterprise Linux Workstation (v. 7) mariadb-1:5.5.52-1.el7, mariadb-bench-1:5.5.52-1.el7, mariadb-devel-1:5.5.52-1.el7 +3
    • Red Hat Enterprise Linux Workstation Optional (v. 7) mariadb-embedded-1:5.5.52-1.el7, mariadb-embedded-devel-1:5.5.52-1.el7
  • RHSA-2016:2131 Released 2016-10-31 · Red Hat rating Important
    mariadb55-mariadb security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) mariadb55-mariadb-5.5.53-1.el6, mariadb55-mariadb-bench-5.5.53-1.el6, mariadb55-mariadb-devel-5.5.53-1.el6 +3
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) mariadb55-mariadb-5.5.53-1.el7, mariadb55-mariadb-bench-5.5.53-1.el7, mariadb55-mariadb-devel-5.5.53-1.el7 +3
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) mariadb55-mariadb-5.5.53-1.el6, mariadb55-mariadb-bench-5.5.53-1.el6, mariadb55-mariadb-devel-5.5.53-1.el6 +3
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) mariadb55-mariadb-5.5.53-1.el6, mariadb55-mariadb-bench-5.5.53-1.el6, mariadb55-mariadb-devel-5.5.53-1.el6 +3
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) mariadb55-mariadb-5.5.53-1.el7, mariadb55-mariadb-bench-5.5.53-1.el7, mariadb55-mariadb-devel-5.5.53-1.el7 +3
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2) mariadb55-mariadb-5.5.53-1.el7, mariadb55-mariadb-bench-5.5.53-1.el7, mariadb55-mariadb-devel-5.5.53-1.el7 +3
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) mariadb55-mariadb-5.5.53-1.el6, mariadb55-mariadb-bench-5.5.53-1.el6, mariadb55-mariadb-devel-5.5.53-1.el6 +3
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) mariadb55-mariadb-5.5.53-1.el7, mariadb55-mariadb-bench-5.5.53-1.el7, mariadb55-mariadb-devel-5.5.53-1.el7 +3
  • RHSA-2016:2130 Released 2016-10-31 · Red Hat rating Important
    mysql55-mysql security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) mysql55-mysql-5.5.52-1.el6, mysql55-mysql-bench-5.5.52-1.el6, mysql55-mysql-devel-5.5.52-1.el6 +3
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) mysql55-mysql-5.5.52-1.el7, mysql55-mysql-bench-5.5.52-1.el7, mysql55-mysql-devel-5.5.52-1.el7 +3
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) mysql55-mysql-5.5.52-1.el6, mysql55-mysql-bench-5.5.52-1.el6, mysql55-mysql-devel-5.5.52-1.el6 +3
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) mysql55-mysql-5.5.52-1.el6, mysql55-mysql-bench-5.5.52-1.el6, mysql55-mysql-devel-5.5.52-1.el6 +3
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) mysql55-mysql-5.5.52-1.el7, mysql55-mysql-bench-5.5.52-1.el7, mysql55-mysql-devel-5.5.52-1.el7 +3
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2) mysql55-mysql-5.5.52-1.el7, mysql55-mysql-bench-5.5.52-1.el7, mysql55-mysql-devel-5.5.52-1.el7 +3
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) mysql55-mysql-5.5.52-1.el6, mysql55-mysql-bench-5.5.52-1.el6, mysql55-mysql-devel-5.5.52-1.el6 +3
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) mysql55-mysql-5.5.52-1.el7, mysql55-mysql-bench-5.5.52-1.el7, mysql55-mysql-devel-5.5.52-1.el7 +3

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux OpenStack Platform 6 (Juno)AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)AffectedNo fix planned: Will not fix
Red Hat Mobile Application Platform 4Affected—
Red Hat OpenStack Platform 10 (Newton)AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 11 (Ocata)AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 12 (Pike)AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 8 (Liberty)AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 9 (Mitaka)AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2016:2595
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2016:2595
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2016:2595
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2016:2595
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2017:0184
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2017:0184
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2017:0184
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2017:0184
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2017:0184
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:2595
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2017:0184
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2016:2595
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2017:0184
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:2595
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2017:0184
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2016:2595
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2016:2130, RHSA-2016:2131, RHSA-2016:2749, RHSA-2016:2927, RHSA-2016:2928
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:2130, RHSA-2016:2131, RHSA-2016:2749, RHSA-2016:2927, RHSA-2016:2928
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6)Fixed RHSA-2016:2130, RHSA-2016:2131
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7)Fixed RHSA-2016:2130, RHSA-2016:2131, RHSA-2016:2749, RHSA-2016:2927, RHSA-2016:2928
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1)Fixed RHSA-2016:2130, RHSA-2016:2131, RHSA-2016:2749
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2)Fixed RHSA-2016:2130, RHSA-2016:2131, RHSA-2016:2749, RHSA-2016:2927, RHSA-2016:2928
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3)Fixed RHSA-2016:2927, RHSA-2016:2928
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2016:2130, RHSA-2016:2131, RHSA-2016:2749, RHSA-2016:2927, RHSA-2016:2928
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:2130, RHSA-2016:2131, RHSA-2016:2749, RHSA-2016:2927, RHSA-2016:2928
Not affected: 1 product
  • Red Hat Software Collections

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-6663
  2. 2026-10-03 Alias added: GHSA-g76x-xjc6-4pgh

References

Exploit 2

Patch 3

Advisory 17

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences