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TI-2025-15548 Aliases CVE-2025-21588GHSA-5xv7-xrgm-g78v

Improper access control in Oracle MySQL Server

Priority LOW 24CWE-284Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-284.

Summary

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected are 8.4.0-8.4.4 and 9.0.0-9.2.0. 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 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 0.00916 60th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 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 Server8.4.0 – 8.4.4; 9.0.0 – 9.2.0—No fix listedCNA
  • MySQL Server VendorOracle Affected 8.4.0 – 8.4.4; 9.0.0 – 9.2.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*8.4.0 – 8.4.4; 9.0.0 – 9.2.0VulnerableOracle
  • cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* Versions 8.4.0 – 8.4.4; 9.0.0 – 9.2.0 Vulnerable ·Oracle

Remediation

Red Hat 2 advisories

  • RHSA-2025:16046 Released 2025-09-17 · Red Hat rating Moderate
    mysql:8.4 security update
    • Red Hat Enterprise Linux AppStream (v. 9) mecab-0.996-3.module+el9.6.0+22713+cbf15e23.4.aarch64::mysql:8.4, mecab-0.996-3.module+el9.6.0+22713+cbf15e23.4.ppc64le::mysql:8.4, mecab-0.996-3.module+el9.6.0+22713+cbf15e23.4.s390x::mysql:8.4 +45
  • RHSA-2025:15699 Released 2025-09-11 · Red Hat rating Moderate
    mysql-selinux and mysql8.4 security update
    • Red Hat Enterprise Linux AppStream (v. 10) mysql-selinux-1.0.14-1.el10_0, mysql8.4-8.4.6-2.el10_0, mysql8.4-common-8.4.6-2.el10_0 +3
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) mysql8.4-devel-8.4.6-2.el10_0, mysql8.4-test-8.4.6-2.el10_0, mysql8.4-test-data-8.4.6-2.el10_0

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/cpuapr2025.html

    27 records Highest priority Priority LOW 27 LOW

    Other records, highest priority first

    • TI-2025-15535 Uncontrolled resource consumption in Oracle MySQL ClusterPriority LOW 31
    • TI-2025-15534 Uncontrolled resource consumption in Oracle MySQL ClusterPriority LOW 31
    • TI-2025-21961 Incorrect permission assignment in Oracle MySQL ServerPriority LOW 30
    Show all 27 records → Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2025:15699
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2025:16046
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2025:15699
Not affected: 3 products
  • 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-2025-21588
  2. 2026-10-03 Alias added: GHSA-5xv7-xrgm-g78v

References

Patch 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