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CVE-2021-2016

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)....

4.9 MediumFix available

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.19 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

2.17%Up 1.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 4.9

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.19 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Record
CVE-2021-2016
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
EUVDEUVD-2021-16475 4.9

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.19 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Record
EUVD-2021-16475
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-c34q-4vv7-8478 No score

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)....

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.19 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Record
GHSA-c34q-4vv7-8478
Updated
2026-11-02
NVD 4.9

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.19 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Record
CVE-2021-2016
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
6.8 MediumAV:N/AC:L/Au:S/C:N/I:N/A:C
Updated
2026-11-02
OSV 4.9

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.19 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Record
CVE-2021-2016
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2021-1088 6.5

mysql security update

The MySQL(TM) software delivers a very fast, multi-threaded, multi-user, and robust SQL (Structured Query Language) database server. MySQL Server is intended for mission-critical, heavy-load production systems as well as for embedding into mass-deployed software. MySQL is a trademark of Oracle and/or its affiliates The MySQL software has Dual Licensing, which means you can use the MySQL software free of charge under the GNU General Public License (http://www.gnu.org/licenses/). You can also purchase commercial MySQL licenses from Oracle and/or its affiliates if you do not wish to be bound by the terms of the GPL.

Security Fix(es):

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.47 and prior, 5.7.27 and prior and 8.0.17 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client. (CVE-2020-2752)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.017 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data.(CVE-2019-2991)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.17 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.(CVE-2019-2966)

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.17 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.(CVE-2019-2963)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.17 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.(CVE-2019-2998)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser). Supported versions that are affected are 8.0.17 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.(CVE-2019-3004)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Encryption). Supported versions that are affected are 8.0.17 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.(CVE-2019-2957)

Vulnerability in the MySQL Server product…

Record
OESA-2021-1088
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 7 moreShow less
OSVRHSA-2020:3518 7.2

Red Hat Security Advisory: rh-mysql80-mysql security update

Record
RHSA-2020:3518
CVSS 3.1
7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2020:3732 7.2

Red Hat Security Advisory: mysql:8.0 security update

Record
RHSA-2020:3732
CVSS 3.1
7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2020:3755 7.2

Red Hat Security Advisory: mysql:8.0 security update

Record
RHSA-2020:3755
CVSS 3.1
7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2020:3757 7.2

Red Hat Security Advisory: mysql:8.0 security update

Record
RHSA-2020:3757
CVSS 3.1
7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRLSA-2020:3732 7.2

Important: mysql:8.0 security update

MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) and many client programs and libraries.

The following packages have been upgraded to a later upstream version: mysql (8.0.21).

Security Fix(es):

  • mysql: Server: Security: Privileges multiple unspecified vulnerabilities (CVE-2020-14663, CVE-2020-14678, CVE-2020-14697, CVE-2020-2761, CVE-2020-2774, CVE-2020-2779, CVE-2020-2853, CVE-2020-14586, CVE-2020-14702)

  • mysql: Server: Security: Encryption multiple unspecified vulnerabilities (CVE-2019-2914, CVE-2019-2957)

  • mysql: InnoDB multiple unspecified vulnerabilities (CVE-2019-2938, CVE-2019-2963, CVE-2019-2968, CVE-2019-3018, CVE-2020-2577, CVE-2020-2589, CVE-2020-2760, CVE-2020-2762, CVE-2020-2814, CVE-2020-2893, CVE-2020-2895, CVE-2020-14568, CVE-2020-14623, CVE-2020-14633, CVE-2020-14634)

  • mysql: Server: PS multiple unspecified vulnerabilities (CVE-2019-2946, CVE-2020-2925)

  • mysql: Server: Replication multiple unspecified vulnerabilities (CVE-2019-2960, CVE-2020-2759, CVE-2020-2763, CVE-2020-14567)

  • mysql: Server: Optimizer multiple unspecified vulnerabilities (CVE-2019-2966, CVE-2019-2967, CVE-2019-2974, CVE-2019-2982, CVE-2019-2991, CVE-2019-2998, CVE-2020-2579, CVE-2020-2660, CVE-2020-2679, CVE-2020-2686, CVE-2020-2765, CVE-2020-2892, CVE-2020-2897, CVE-2020-2901, CVE-2020-2904, CVE-2020-2923, CVE-2020-2924, CVE-2020-2928, CVE-2020-14539, CVE-2020-14547, CVE-2020-14597, CVE-2020-14614, CVE-2020-14654, CVE-2020-14680, CVE-2020-14725)

  • mysql: Server: C API multiple unspecified vulnerabilities (CVE-2019-2993, CVE-2019-3011)

  • mysql: Server: DDL multiple unspecified vulnerabilities (CVE-2019-2997, CVE-2020-2580)

  • mysql: Server: Parser multiple unspecified vulnerabilities (CVE-2019-3004, CVE-2020-2627, CVE-2020-2930, CVE-2020-14619)

  • mysql: Server: Connection unspecified vulnerability (CVE-2019-3009)

  • mysql: Server: Options multiple unspecified vulnerabilities (CVE-2020-2584, CVE-2020-14632)

  • mysql: Server: DML multiple unspecified vulnerabilities (CVE-2020-2588, CVE-2020-2780, CVE-2020-14540, CVE-2020-14575, CVE-2020-14620)

  • mysql: C API multiple unspecified vulnerabilities (CVE-2020-2752, CVE-2020-2922, CVE-2020-14550, CVE-2020-2570, CVE-2020-2573, CVE-2020-2574)

  • mysql: Server: Logging unspecified vulnerability (CVE-2020-2770)

  • mysql: Server: Memcached unspecified vulnerability (CVE-2020-2804)

  • mysql: Server: Stored Procedure unspecified vulnerability (CVE-2020-2812)

  • mysql: Server: Information Schema multiple unspecified vulnerabilities (CVE-2020-2896, CVE-2020-14559, CVE-2020-2694)

  • mysql: Server: Charsets unspecified vulnerability (CVE-2020-2898)

  • mysql: Server: Connection Handling unspecified vulnerability (CVE-2020-2903)

  • mysql: Server: Group Replication Plugin unspecified vulnerability (CVE-2020-2921)

  • mysql: Server: Group Replication GCS unspecified vulnerability (CVE-2020-2926)

  • mysql: Server: Pluggable Auth unspecified vulnerability (CVE-2020-14553)

  • mysql: Server: UDF unspecified vulnerability (CVE-2020-14576)

  • mysql: Server: JSON unspecified vulnerability (CVE-2020-14624)

  • mysql: Server: Security: Audit unspecified vulnerability (CVE-2020-14631)

  • mysql: Server: Security: Roles multiple unspecified vulnerabilities (CVE-2020-14641, CVE-2020-14643, CVE-2020-14651)

  • mysql: Server: Locking unspecified vulnerability (CVE-2020-14656)

  • mysql: Information Schema unspecified vulnerability (CVE-2019-2911)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2020:3732
CVSS 3.1
7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2021-2016 4.9

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.19 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Record
UBUNTU-CVE-2021-2016
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVALSA-2020:3732 No score

Important: mysql:8.0 security update

MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) and many client programs and libraries.

The following packages have been upgraded to a later upstream version: mysql (8.0.21).

Security Fix(es):

  • mysql: Server: Security: Privileges multiple unspecified vulnerabilities (CVE-2020-14663, CVE-2020-14678, CVE-2020-14697, CVE-2020-2761, CVE-2020-2774, CVE-2020-2779, CVE-2020-2853, CVE-2020-14586, CVE-2020-14702)

  • mysql: Server: Security: Encryption multiple unspecified vulnerabilities (CVE-2019-2914, CVE-2019-2957)

  • mysql: InnoDB multiple unspecified vulnerabilities (CVE-2019-2938, CVE-2019-2963, CVE-2019-2968, CVE-2019-3018, CVE-2020-2577, CVE-2020-2589, CVE-2020-2760, CVE-2020-2762, CVE-2020-2814, CVE-2020-2893, CVE-2020-2895, CVE-2020-14568, CVE-2020-14623, CVE-2020-14633, CVE-2020-14634)

  • mysql: Server: PS multiple unspecified vulnerabilities (CVE-2019-2946, CVE-2020-2925)

  • mysql: Server: Replication multiple unspecified vulnerabilities (CVE-2019-2960, CVE-2020-2759, CVE-2020-2763, CVE-2020-14567)

  • mysql: Server: Optimizer multiple unspecified vulnerabilities (CVE-2019-2966, CVE-2019-2967, CVE-2019-2974, CVE-2019-2982, CVE-2019-2991, CVE-2019-2998, CVE-2020-2579, CVE-2020-2660, CVE-2020-2679, CVE-2020-2686, CVE-2020-2765, CVE-2020-2892, CVE-2020-2897, CVE-2020-2901, CVE-2020-2904, CVE-2020-2923, CVE-2020-2924, CVE-2020-2928, CVE-2020-14539, CVE-2020-14547, CVE-2020-14597, CVE-2020-14614, CVE-2020-14654, CVE-2020-14680, CVE-2020-14725)

  • mysql: Server: C API multiple unspecified vulnerabilities (CVE-2019-2993, CVE-2019-3011)

  • mysql: Server: DDL multiple unspecified vulnerabilities (CVE-2019-2997, CVE-2020-2580)

  • mysql: Server: Parser multiple unspecified vulnerabilities (CVE-2019-3004, CVE-2020-2627, CVE-2020-2930, CVE-2020-14619)

  • mysql: Server: Connection unspecified vulnerability (CVE-2019-3009)

  • mysql: Server: Options multiple unspecified vulnerabilities (CVE-2020-2584, CVE-2020-14632)

  • mysql: Server: DML multiple unspecified vulnerabilities (CVE-2020-2588, CVE-2020-2780, CVE-2020-14540, CVE-2020-14575, CVE-2020-14620)

  • mysql: C API multiple unspecified vulnerabilities (CVE-2020-2752, CVE-2020-2922, CVE-2020-14550, CVE-2020-2570, CVE-2020-2573, CVE-2020-2574)

  • mysql: Server: Logging unspecified vulnerability (CVE-2020-2770)

  • mysql: Server: Memcached unspecified vulnerability (CVE-2020-2804)

  • mysql: Server: Stored Procedure unspecified vulnerability (CVE-2020-2812)

  • mysql: Server: Information Schema multiple unspecified vulnerabilities (CVE-2020-2896, CVE-2020-14559, CVE-2020-2694)

  • mysql: Server: Charsets unspecified vulnerability (CVE-2020-2898)

  • mysql: Server: Connection Handling unspecified vulnerability (CVE-2020-2903)

  • mysql: Server: Group Replication Plugin unspecified vulnerability (CVE-2020-2921)

  • mysql: Server: Group Replication GCS unspecified vulnerability (CVE-2020-2926)

  • mysql: Server: Pluggable Auth unspecified vulnerability (CVE-2020-14553)

  • mysql: Server: UDF unspecified vulnerability (CVE-2020-14576)

  • mysql: Server: JSON unspecified vulnerability (CVE-2020-14624)

  • mysql: Server: Security: Audit unspecified vulnerability (CVE-2020-14631)

  • mysql: Server: Security: Roles multiple unspecified vulnerabilities (CVE-2020-14641, CVE-2020-14643, CVE-2020-14651)

  • mysql: Server: Locking unspecified vulnerability (CVE-2020-14656)

  • mysql: Information Schema unspecified vulnerability (CVE-2019-2911)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2020:3732
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
mecab
AlmaLinux:8
 before 0.996-1.module_el8.4.0+2532+b8928c02.9
0.996-1.module_el8.4.0+2532+b8928c02.9
mecab
AlmaLinux:8
 before 0.996-1.module_el8.5.0+33+8bc5f36a.9
0.996-1.module_el8.5.0+33+8bc5f36a.9
mecab-ipadic
AlmaLinux:8
 before 2.7.0.20070801-16.module_el8.5.0+33+8bc5f36a
2.7.0.20070801-16.module_el8.5.0+33+8bc5f36a
mecab-ipadic
AlmaLinux:8
 before 2.7.0.20070801-16.module_el8.4.0+2532+b8928c02
2.7.0.20070801-16.module_el8.4.0+2532+b8928c02
mecab-ipadic-EUCJP
AlmaLinux:8
 before 2.7.0.20070801-16.module_el8.5.0+33+8bc5f36a
2.7.0.20070801-16.module_el8.5.0+33+8bc5f36a
mecab-ipadic-EUCJP
AlmaLinux:8
 before 2.7.0.20070801-16.module_el8.4.0+2532+b8928c02
2.7.0.20070801-16.module_el8.4.0+2532+b8928c02
mysql
openEuler:20.03-LTS
 before 8.0.22-3.oe1
8.0.22-3.oe1
rh-mysql80-mysql
Red Hat:rhel_software_collections:3::el7
 before 0:8.0.21-1.el7
0:8.0.21-1.el7
rh-mysql80-mysql-common
Red Hat:rhel_software_collections:3::el7
 before 0:8.0.21-1.el7
0:8.0.21-1.el7
rh-mysql80-mysql-config
Red Hat:rhel_software_collections:3::el7
 before 0:8.0.21-1.el7
0:8.0.21-1.el7
Show 69 moreShow less
Affected packages
PackageAffectedFixed
rh-mysql80-mysql-config-syspaths
Red Hat:rhel_software_collections:3::el7
 before 0:8.0.21-1.el7
0:8.0.21-1.el7
rh-mysql80-mysql-debuginfo
Red Hat:rhel_software_collections:3::el7
 before 0:8.0.21-1.el7
0:8.0.21-1.el7
rh-mysql80-mysql-devel
Red Hat:rhel_software_collections:3::el7
 before 0:8.0.21-1.el7
0:8.0.21-1.el7
rh-mysql80-mysql-errmsg
Red Hat:rhel_software_collections:3::el7
 before 0:8.0.21-1.el7
0:8.0.21-1.el7
rh-mysql80-mysql-server
Red Hat:rhel_software_collections:3::el7
 before 0:8.0.21-1.el7
0:8.0.21-1.el7
rh-mysql80-mysql-server-syspaths
Red Hat:rhel_software_collections:3::el7
 before 0:8.0.21-1.el7
0:8.0.21-1.el7
rh-mysql80-mysql-syspaths
Red Hat:rhel_software_collections:3::el7
 before 0:8.0.21-1.el7
0:8.0.21-1.el7
rh-mysql80-mysql-test
Red Hat:rhel_software_collections:3::el7
 before 0:8.0.21-1.el7
0:8.0.21-1.el7
mecab
Red Hat:enterprise_linux:8::appstream
 before 0:0.996-1.module+el8.0.0+3898+e09bb8de.9
0:0.996-1.module+el8.0.0+3898+e09bb8de.9
mecab-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:0.996-1.module+el8.0.0+3898+e09bb8de.9
0:0.996-1.module+el8.0.0+3898+e09bb8de.9
mecab-debugsource
Red Hat:enterprise_linux:8::appstream
 before 0:0.996-1.module+el8.0.0+3898+e09bb8de.9
0:0.996-1.module+el8.0.0+3898+e09bb8de.9
mecab-ipadic
Red Hat:enterprise_linux:8::appstream
 before 0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de
0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de
mecab-ipadic-EUCJP
Red Hat:enterprise_linux:8::appstream
 before 0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de
0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de
mysql
Red Hat:enterprise_linux:8::appstream
 before 0:8.0.21-1.module+el8.2.0+7855+47abd494
0:8.0.21-1.module+el8.2.0+7855+47abd494
mysql-common
Red Hat:enterprise_linux:8::appstream
 before 0:8.0.21-1.module+el8.2.0+7855+47abd494
0:8.0.21-1.module+el8.2.0+7855+47abd494
mysql-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:8.0.21-1.module+el8.2.0+7855+47abd494
0:8.0.21-1.module+el8.2.0+7855+47abd494
mysql-debugsource
Red Hat:enterprise_linux:8::appstream
 before 0:8.0.21-1.module+el8.2.0+7855+47abd494
0:8.0.21-1.module+el8.2.0+7855+47abd494
mysql-devel
Red Hat:enterprise_linux:8::appstream
 before 0:8.0.21-1.module+el8.2.0+7855+47abd494
0:8.0.21-1.module+el8.2.0+7855+47abd494
mysql-devel-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:8.0.21-1.module+el8.2.0+7855+47abd494
0:8.0.21-1.module+el8.2.0+7855+47abd494
mysql-errmsg
Red Hat:enterprise_linux:8::appstream
 before 0:8.0.21-1.module+el8.2.0+7855+47abd494
0:8.0.21-1.module+el8.2.0+7855+47abd494
mysql-libs
Red Hat:enterprise_linux:8::appstream
 before 0:8.0.21-1.module+el8.2.0+7855+47abd494
0:8.0.21-1.module+el8.2.0+7855+47abd494
mysql-libs-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:8.0.21-1.module+el8.2.0+7855+47abd494
0:8.0.21-1.module+el8.2.0+7855+47abd494
mysql-server
Red Hat:enterprise_linux:8::appstream
 before 0:8.0.21-1.module+el8.2.0+7855+47abd494
0:8.0.21-1.module+el8.2.0+7855+47abd494
mysql-server-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:8.0.21-1.module+el8.2.0+7855+47abd494
0:8.0.21-1.module+el8.2.0+7855+47abd494
mysql-test
Red Hat:enterprise_linux:8::appstream
 before 0:8.0.21-1.module+el8.2.0+7855+47abd494
0:8.0.21-1.module+el8.2.0+7855+47abd494
mysql-test-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:8.0.21-1.module+el8.2.0+7855+47abd494
0:8.0.21-1.module+el8.2.0+7855+47abd494
mecab
Red Hat:rhel_e4s:8.0::appstream
 before 0:0.996-1.module+el8.0.0+3898+e09bb8de.9
0:0.996-1.module+el8.0.0+3898+e09bb8de.9
mecab-debuginfo
Red Hat:rhel_e4s:8.0::appstream
 before 0:0.996-1.module+el8.0.0+3898+e09bb8de.9
0:0.996-1.module+el8.0.0+3898+e09bb8de.9
mecab-debugsource
Red Hat:rhel_e4s:8.0::appstream
 before 0:0.996-1.module+el8.0.0+3898+e09bb8de.9
0:0.996-1.module+el8.0.0+3898+e09bb8de.9
mecab-ipadic
Red Hat:rhel_e4s:8.0::appstream
 before 0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de
0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de
mecab-ipadic-EUCJP
Red Hat:rhel_e4s:8.0::appstream
 before 0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de
0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de
mysql
Red Hat:rhel_e4s:8.0::appstream
 before 0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
mysql-common
Red Hat:rhel_e4s:8.0::appstream
 before 0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
mysql-debuginfo
Red Hat:rhel_e4s:8.0::appstream
 before 0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
mysql-debugsource
Red Hat:rhel_e4s:8.0::appstream
 before 0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
mysql-devel
Red Hat:rhel_e4s:8.0::appstream
 before 0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
mysql-devel-debuginfo
Red Hat:rhel_e4s:8.0::appstream
 before 0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
mysql-errmsg
Red Hat:rhel_e4s:8.0::appstream
 before 0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
mysql-libs
Red Hat:rhel_e4s:8.0::appstream
 before 0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
mysql-libs-debuginfo
Red Hat:rhel_e4s:8.0::appstream
 before 0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
mysql-server
Red Hat:rhel_e4s:8.0::appstream
 before 0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
mysql-server-debuginfo
Red Hat:rhel_e4s:8.0::appstream
 before 0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
mysql-test
Red Hat:rhel_e4s:8.0::appstream
 before 0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
mysql-test-debuginfo
Red Hat:rhel_e4s:8.0::appstream
 before 0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
0:8.0.21-1.module+el8.0.0+7853+3a2b0b25
mecab
Red Hat:rhel_eus:8.1::appstream
 before 0:0.996-1.module+el8.0.0+3898+e09bb8de.9
0:0.996-1.module+el8.0.0+3898+e09bb8de.9
mecab-debuginfo
Red Hat:rhel_eus:8.1::appstream
 before 0:0.996-1.module+el8.0.0+3898+e09bb8de.9
0:0.996-1.module+el8.0.0+3898+e09bb8de.9
mecab-debugsource
Red Hat:rhel_eus:8.1::appstream
 before 0:0.996-1.module+el8.0.0+3898+e09bb8de.9
0:0.996-1.module+el8.0.0+3898+e09bb8de.9
mecab-ipadic
Red Hat:rhel_eus:8.1::appstream
 before 0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de
0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de
mecab-ipadic-EUCJP
Red Hat:rhel_eus:8.1::appstream
 before 0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de
0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de
mysql
Red Hat:rhel_eus:8.1::appstream
 before 0:8.0.21-1.module+el8.1.0+7854+62e1520f
0:8.0.21-1.module+el8.1.0+7854+62e1520f
mysql-common
Red Hat:rhel_eus:8.1::appstream
 before 0:8.0.21-1.module+el8.1.0+7854+62e1520f
0:8.0.21-1.module+el8.1.0+7854+62e1520f
mysql-debuginfo
Red Hat:rhel_eus:8.1::appstream
 before 0:8.0.21-1.module+el8.1.0+7854+62e1520f
0:8.0.21-1.module+el8.1.0+7854+62e1520f
mysql-debugsource
Red Hat:rhel_eus:8.1::appstream
 before 0:8.0.21-1.module+el8.1.0+7854+62e1520f
0:8.0.21-1.module+el8.1.0+7854+62e1520f
mysql-devel
Red Hat:rhel_eus:8.1::appstream
 before 0:8.0.21-1.module+el8.1.0+7854+62e1520f
0:8.0.21-1.module+el8.1.0+7854+62e1520f
mysql-devel-debuginfo
Red Hat:rhel_eus:8.1::appstream
 before 0:8.0.21-1.module+el8.1.0+7854+62e1520f
0:8.0.21-1.module+el8.1.0+7854+62e1520f
mysql-errmsg
Red Hat:rhel_eus:8.1::appstream
 before 0:8.0.21-1.module+el8.1.0+7854+62e1520f
0:8.0.21-1.module+el8.1.0+7854+62e1520f
mysql-libs
Red Hat:rhel_eus:8.1::appstream
 before 0:8.0.21-1.module+el8.1.0+7854+62e1520f
0:8.0.21-1.module+el8.1.0+7854+62e1520f
mysql-libs-debuginfo
Red Hat:rhel_eus:8.1::appstream
 before 0:8.0.21-1.module+el8.1.0+7854+62e1520f
0:8.0.21-1.module+el8.1.0+7854+62e1520f
mysql-server
Red Hat:rhel_eus:8.1::appstream
 before 0:8.0.21-1.module+el8.1.0+7854+62e1520f
0:8.0.21-1.module+el8.1.0+7854+62e1520f
mysql-server-debuginfo
Red Hat:rhel_eus:8.1::appstream
 before 0:8.0.21-1.module+el8.1.0+7854+62e1520f
0:8.0.21-1.module+el8.1.0+7854+62e1520f
mysql-test
Red Hat:rhel_eus:8.1::appstream
 before 0:8.0.21-1.module+el8.1.0+7854+62e1520f
0:8.0.21-1.module+el8.1.0+7854+62e1520f
mysql-test-debuginfo
Red Hat:rhel_eus:8.1::appstream
 before 0:8.0.21-1.module+el8.1.0+7854+62e1520f
0:8.0.21-1.module+el8.1.0+7854+62e1520f
mecab
Rocky Linux:8
 before 0:0.996-1.module+el8.3.0+242+87d3366a.9
0:0.996-1.module+el8.3.0+242+87d3366a.9
mecab-ipadic
Rocky Linux:8
 before 0:2.7.0.20070801-16.module+el8.3.0+242+87d3366a
0:2.7.0.20070801-16.module+el8.3.0+242+87d3366a
mysql
Rocky Linux:8
 before 0:8.0.21-1.module+el8.3.0+242+87d3366a
0:8.0.21-1.module+el8.3.0+242+87d3366a
mysql-5.5
Ubuntu:14.04:LTS
 All versions, plus listed versions
5.5.32-0ubuntu75.5.34-0ubuntu15.5.34-0ubuntu25.5.35-0ubuntu15.5.35+dfsg-1ubuntu1
Show 20 moreShow less
5.5.37-0ubuntu0.14.04.15.5.38-0ubuntu0.14.04.15.5.40-0ubuntu0.14.04.15.5.41-0ubuntu0.14.04.15.5.43-0ubuntu0.14.04.15.5.44-0ubuntu0.14.04.15.5.46-0ubuntu0.14.04.25.5.47-0ubuntu0.14.04.15.5.49-0ubuntu0.14.04.15.5.50-0ubuntu0.14.04.15.5.52-0ubuntu0.14.04.15.5.53-0ubuntu0.14.04.15.5.54-0ubuntu0.14.04.15.5.55-0ubuntu0.14.04.15.5.57-0ubuntu0.14.04.15.5.58-0ubuntu0.14.04.15.5.59-0ubuntu0.14.04.15.5.60-0ubuntu0.14.04.15.5.61-0ubuntu0.14.04.15.5.62-0ubuntu0.14.04.1
 None known
percona-server-5.6
Ubuntu:16.04:LTS
 All versions, plus listed versions
5.6.22-rel71.0-0ubuntu25.6.22-rel71.0-0ubuntu45.6.22-rel71.0-0ubuntu4.1
 None known
percona-xtradb-cluster-5.6
Ubuntu:16.04:LTS
 All versions, plus listed versions
5.6.21-25.8-0ubuntu25.6.21-25.8-0ubuntu35.6.21-25.8-0ubuntu3.15.6.21-25.8-0ubuntu3.25.6.34-26.19-0ubuntu0.16.04.15.6.34-26.19-0ubuntu0.16.04.25.6.37-26.21-0ubuntu0.16.04.15.6.37-26.21-0ubuntu0.16.04.2
 None known
mysql-8.0
Ubuntu:20.04:LTS
 before 8.0.20-0ubuntu0.20.04.1, plus listed versions
8.0.17-0ubuntu28.0.17-0ubuntu38.0.18-0ubuntu38.0.18-0ubuntu48.0.18-0ubuntu5
Show 4 moreShow less
8.0.19-0ubuntu28.0.19-0ubuntu38.0.19-0ubuntu48.0.19-0ubuntu5
8.0.20-0ubuntu0.20.04.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-2016 is a medium vulnerability (CVSS 4.9) in Oracle Mysql, published September 14, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.17%, the 82nd percentile. Fixed in mecab 0.996-1.module_el8.4.0+2532+b8928c02.9.

References

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This page doesn't list everything

Left out here: 380 references and the rest of 1 source description. The JSON record has them.

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