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TI-2026-17664 Aliases CVE-2026-21965GHSA-j7pc-6x9v-m63m

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Pluggable…

Priority LOW 14Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Pluggable Auth). Supported versions that are affected are 9.0.0-9.5.0. 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 partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 2.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00362 30th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 Server9.0.0 – 9.5.0—No fix listedCNA
  • MySQL Server VendorOracle Affected 9.0.0 – 9.5.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*9.0.0 – 9.5.0VulnerableOracle
  • cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* Versions 9.0.0 – 9.5.0 Vulnerable ·Oracle

Remediation

No fixed version listed by the sources yet.

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/cpujan2026.html

    11 records Highest priority Priority LOW 11 LOW

    Other records, highest priority first

    • TI-2026-17667 Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).Priority LOW 29
    • TI-2026-17650 Uncontrolled resource consumption in Oracle MySQL ServerPriority LOW 29
    • TI-2026-17649 Uncontrolled resource consumption in Oracle MySQL ServerPriority LOW 29
    Show all 11 records → Advisory →

Vendor assessments

Red Hat

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

Not affected: 4 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-21965
  2. 2026-10-03 Alias added: GHSA-j7pc-6x9v-m63m

References

Advisory 1

  • TI-2021-02645 SM2 Decryption Buffer Overflow CVSS 3.1CRITICAL 9.8
  • TI-2022-01176 The c_rehash script allows command injection CVSS 3.1CRITICAL 9.8
  • TI-2021-04451 XStream is vulnerable to an Arbitrary Code Execution attack CVSS 3.1CRITICAL 9.1
  • TI-2021-04444 XStream is vulnerable to an Arbitrary Code Execution attack CVSS 3.1CRITICAL 9.8
  • TI-2021-05762 Use after free in https://github.com/curl/curl CVSS 3.1HIGH 8.1
  • TI-2021-05807 Cleartext transmission of sensitive information in https://github.com/curl/curl CVSS 3.1HIGH 7.5
See all 347 →

Sources

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