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TI-2023-08354 Aliases CVE-2023-21982GHSA-mww6-2c47-6x6f

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

Priority LOW 25Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.32 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).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01128 66th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OracleMySQL Serverup to 8.0.32—No fix listedCNA
  • MySQL Server VendorOracle Affected up to 8.0.32 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*8.0.0 – 8.0.32VulnerableOracle
  • cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* Versions 8.0.0 – 8.0.32 Vulnerable ·Oracle

Remediation

Red Hat 3 advisories

  • RHSA-2024:2619 Released 2024-04-30 · Red Hat rating Moderate
    rh-mysql80-mysql security update
    • Red Hat Software Collections for RHEL Workstation(v. 7) rh-mysql80-mysql-8.0.36-1.el7, rh-mysql80-mysql-common-8.0.36-1.el7, rh-mysql80-mysql-config-8.0.36-1.el7 +8
    • Red Hat Software Collections for RHEL(v. 7) rh-mysql80-mysql-8.0.36-1.el7, rh-mysql80-mysql-common-8.0.36-1.el7, rh-mysql80-mysql-config-8.0.36-1.el7 +8
  • RHSA-2024:1141 Released 2024-03-05 · Red Hat rating Moderate
    mysql security update
    • Red Hat CodeReady Linux Builder (v. 9) mysql-devel-8.0.36-1.el9_3, mysql-libs-8.0.36-1.el9_3, mysql-test-8.0.36-1.el9_3
    • Red Hat Enterprise Linux AppStream (v. 9) mysql-8.0.36-1.el9_3, mysql-common-8.0.36-1.el9_3, mysql-errmsg-8.0.36-1.el9_3 +1
  • RHSA-2024:0894 Released 2024-02-20 · Red Hat rating Moderate
    mysql:8.0 security update
    • Red Hat Enterprise Linux AppStream (v. 8) mecab-0.996-2.module+el8.9.0+21207+6c20cb3d.aarch64::mysql:8.0, mecab-0.996-2.module+el8.9.0+21207+6c20cb3d.ppc64le::mysql:8.0, mecab-0.996-2.module+el8.9.0+21207+6c20cb3d.s390x::mysql:8.0 +44

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Oracle MySQL Server — oracle.com/security-alerts/cpuapr2023.html

    23 records Highest priority Priority LOW 23 LOW

    Other records, highest priority first

    • TI-2023-08352 Improper access control in Oracle MySQL ServerPriority LOW 35
    • TI-2023-08288 Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security…Priority LOW 35
    • TI-2023-08321 Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).Priority LOW 32
    Show all 23 records → Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat CodeReady Linux Builder (v. 9)Fixed RHSA-2024:1141
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2024:0894
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:1141
Red Hat Software Collections for RHEL Workstation(v. 7)Fixed RHSA-2024:2619
Red Hat Software Collections for RHEL(v. 7)Fixed RHSA-2024:2619
Not affected: 6 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat OpenStack Platform 13 (Queens)
  • Red Hat Software Collections

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-21982
  2. 2026-10-03 Alias added: GHSA-mww6-2c47-6x6f

References

Advisory 1

Other 1

  • TI-2017-02794 Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server… CVSS 3.0HIGH 7.5
  • TI-2016-05707 Oracle MySQL through 5.5.52, 5.6.x through 5.6.33, and 5.7.x through 5.7.15; MariaDB… CVSS 3.0CRITICAL 9.8
  • TI-2003-00723 Buffer overflow in get_salt_from_password from sql_acl.cc for MySQL 4.0.14 and earlier… CVSS 2.0HIGH 9.0
  • TI-2020-04444 RFD Attack via "Content-Disposition" Header Sourced from Request Input by Spring MVC or Spring WebFlux Application CVSS 3.1HIGH 7.5
  • TI-2008-00208 Multiple buffer overflows in yaSSL 1.7.5 and earlier, as used in MySQL and possibly other… CVSS 2.0HIGH 7.5
  • TI-2020-01888 Segmentation fault in SSL_check_chain CVSS 3.1HIGH 7.5
See all 1327 →

Sources

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