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Fencer Vulns
medium 4.9

CVE-2025-21490 json

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

published 2025-01-21 21 mo ago modified 2026-09-08 2 mo ago also BIT-mariadb-2025-21490 , BIT-mariadb-min-2025-21490 , BIT-mysql-client-2025-21490 , EUVD-2025-2480

cvss
4.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.40 and prior, 8.4.3 and prior and 9.1.0 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).

Patch / fix

  • bitnami mariadb 10.5.28, 10.6.21, 10.11.11, 11.4.5, 11.7.2
  • bitnami mariadb-min 11.4.7, 11.8.2
  • bitnami mysql-client 10.6.21, 10.11.11, 11.4.5, 11.8.2
  • oracle mysql 8.0.41, 8.4.4, 9.1.1
  • oracle mysql_server 8.0.41, 8.4.4, 9.1.1
  • mariadb mariadb 10.5.28, 10.6.21, 10.11.11, 11.4.5, 11.7.2
  • mariadb Debian 12 1:10.11.11-0+deb12u1
  • mariadb Debian 14, Debian 13 1:11.4.5-1

debian advisories DEBIAN-CVE-2025-21490

  • mariadb Ubuntu 24.04 LTS 1:10.11.11-0ubuntu0.24.04.2
  • mysql-8.0 Ubuntu 20.04 LTS 8.0.41-0ubuntu0.20.04.1
  • mysql-8.0 Ubuntu 22.04 LTS 8.0.41-0ubuntu0.22.04.1
  • mysql-8.0 Ubuntu 24.04 LTS 8.0.41-0ubuntu0.24.04.1
  • mariadb-10.6 Ubuntu 22.04 LTS 1:10.6.21-0ubuntu0.22.04.2

ubuntu advisories UBUNTU-CVE-2025-21490

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • Judy RHEL 8 1.0.5-18.module+el8.10.0+21221+7bee72c1
  • galera RHEL 8 26.4.23-1.module+el8.10.0+24010+d874728a
  • mariadb RHEL 8 3:10.11.15-1.module+el8.10.0+24010+d874728a
  • mariadb-pam RHEL 8 3:10.11.15-1.module+el8.10.0+24010+d874728a
  • mariadb-test RHEL 8 3:10.11.15-1.module+el8.10.0+24010+d874728a
  • mariadb-backup RHEL 8 3:10.11.15-1.module+el8.10.0+24010+d874728a
  • mariadb-common RHEL 8 3:10.11.15-1.module+el8.10.0+24010+d874728a
  • mariadb-errmsg RHEL 8 3:10.11.15-1.module+el8.10.0+24010+d874728a

red hat advisories RHSA-2026:6435RHSA-2026:0334RHSA-2026:0335RHSA-2026:0247RHSA-2025:19572RHSA-2025:19584

  • mariadb SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS +1 more 10.5.29-150300.3.55.1
  • mariadb SLE Module for Server Applications 15 SP6, SLE Module for Package Hub 15 SP6, openSUSE Leap 15.6 10.11.11-150600.4.10.1

suse advisories SUSE-SU-2025:4491-1SUSE-SU-2025:01716-1

  • mariadb openSUSE Tumbleweed 11.7.2-1.1

opensuse advisories openSUSE-SU-2025:14826-1

  • Judy AlmaLinux 8 1.0.5-18.module_el8.10.0+3794+c6a66d65
  • Judy AlmaLinux 8 1.0.5-18.module_el8.10.0+3955+6534edaf
  • galera AlmaLinux 8 26.4.23-1.module_el8.10.0+4152+4d93c53f
  • mariadb AlmaLinux 8 3:10.11.15-1.module_el8.10.0+4152+4d93c53f
  • mariadb-pam AlmaLinux 8 3:10.11.15-1.module_el8.10.0+4152+4d93c53f
  • mariadb-test AlmaLinux 8 3:10.11.15-1.module_el8.10.0+4152+4d93c53f
  • mariadb-backup AlmaLinux 8 3:10.11.15-1.module_el8.10.0+4152+4d93c53f
  • mariadb-common AlmaLinux 8 3:10.11.15-1.module_el8.10.0+4152+4d93c53f

almalinux advisories ALSA-2026:6435ALSA-2026:0247ALSA-2026:0136ALSA-2025:19572ALSA-2025:19584ALSA-2025:1671

  • Judy Rocky Linux 8 1.0.5-18.module+el8.4.0+431+26aaed18
  • Judy Rocky Linux 8 1.0.5-18.module+el8.10.0+1925+356c22e8
  • Judy Rocky Linux 8 1.0.5-18.module+el8.10.0+40062+b4bfe4b1
  • Judy Rocky Linux 8 1.0.5-18.module+el8.10.0+1674+fa55eae9
  • Judy Rocky Linux 8 1.0.5-18.module+el8.4.0+427+adf35707
  • mariadb10.11 Rocky Linux 10 3:10.11.15-1.el10_1
  • galera Rocky Linux 9 26.4.20-1.module+el9.7.0+40024+12a6f3b4
  • mariadb Rocky Linux 9 3:10.11.15-1.module+el9.7.0+40065+b33d0971

rocky linux advisories RLSA-2026:6435RLSA-2026:0136RLSA-2026:0247RLSA-2025:19572RLSA-2025:19584RLSA-2025:1671

  • mariadb Alpine 3.20, Alpine 3.19, Alpine 3.18 10.11.11-r0
  • mariadb Alpine 3.24, Alpine 3.23, Alpine 3.22 +1 more 11.4.5-r0

alpine advisories ALPINE-CVE-2025-21490

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • mysql CBL-Mariner 2.0, Azure Linux 3.0 8.0.41-1
  • mariadb CBL-Mariner 2.0 10.6.21-1
  • mariadb Azure Linux 3.0 10.11.11-1

azure linux advisories AZL-58383AZL-58408AZL-58431AZL-58434

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-21490 updated cvss 4.9

mysql: mariadb: High Privilege Denial of Service Vulnerability in MySQL Server (CPU Jan 2025)

  • Red Hat Enterprise Linux 10 mysql8.4
    affected: no fix available
  • Red Hat CodeReady Linux Builder (v. 9) mysql-libs 8.0.41-2.el9_5, mysql-test 8.0.41-2.el9_5
    fixed: vendor fix RHSA-2025:1671
  • Red Hat Enterprise Linux AppStream (v. 8) Judy 1.0.5-18.module+el8.10.0+21221+7bee72c1, Judy 1.0.5-18.module+el8.10.0+22630+cacda3f1, mecab 0.996-2.module+el8.10.0+22857+7f331edd, mysql 8.0.41-1.module+el8.10.0+22857+7f331edd, galera 26.4.22-1.module+el8.10.0+23546+c942e1d0, galera 26.4.23-1.module+el8.10.0+24010+d874728a, +31 more
    fixed: vendor fix RHSA-2026:6435
  • Red Hat Enterprise Linux AppStream (v. 9) mysql 8.0.41-2.el9_5, galera 26.4.22-1.el9_6, mariadb 10.5.29-2.el9_6, mariadb-pam 10.5.29-2.el9_6, mysql-common 8.0.41-2.el9_5, mysql-errmsg 8.0.41-2.el9_5, +23 more
    fixed: vendor fix RHSA-2025:1671
  • Red Hat Enterprise Linux AppStream EUS (v.9.4) galera 26.4.16-1.module+el9.4.0+21205+b026b850, mariadb 10.11.15-1.module+el9.4.0+23801+22792e5c, mariadb-pam 10.11.15-1.module+el9.4.0+23801+22792e5c, mariadb-test 10.11.15-1.module+el9.4.0+23801+22792e5c, mariadb-backup 10.11.15-1.module+el9.4.0+23801+22792e5c, mariadb-common 10.11.15-1.module+el9.4.0+23801+22792e5c, +7 more
    fixed: vendor fix RHSA-2026:0335
  • Red Hat Enterprise Linux AppStream EUS (v.9.6) galera 26.4.20-1.module+el9.5.0+22578+dc54e53f, mariadb 10.11.15-1.module+el9.6.0+23803+16eaad56, mariadb-pam 10.11.15-1.module+el9.6.0+23803+16eaad56, mariadb-test 10.11.15-1.module+el9.6.0+23803+16eaad56, mariadb-backup 10.11.15-1.module+el9.6.0+23803+16eaad56, mariadb-common 10.11.15-1.module+el9.6.0+23803+16eaad56, +7 more
    fixed: vendor fix RHSA-2026:0334
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) mariadb-test 10.5.29-2.el9_6
    fixed: vendor fix RHSA-2025:19584
  • Red Hat Enterprise Linux 6 mysql, mysql-libs, mysql-test, mysql-bench, mysql-server, mysql-embedded Red Hat Enterprise Linux 7 mariadb, mariadb-libs, mariadb-test, mariadb-bench, mariadb-server, mariadb-embedded Red Hat Enterprise Linux 8 Judy, galera, mariadb, mariadb-pam, mariadb-test, mariadb-backup, +8 more Red Hat Enterprise Linux 10 mariadb10.11
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

1.27% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
OSV 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
bitnami mariadb
<10.5.28
>=10.6.0, <10.6.21
>=10.7.0, <10.11.11
>=11.0.0, <11.4.5
>=11.5.0, <11.7.2
10.5.28
10.6.21
10.11.11
11.4.5
11.7.2
bitnami mariadb-min
<11.4.7
>=11.5.0, <11.8.2
11.4.7
11.8.2
bitnami mysql-client
<10.6.21
>=10.7.0, <10.11.11
>=11.0.0, <11.4.5
>=11.5.0, <11.8.2
10.6.21
10.11.11
11.4.5
11.8.2

Affected products

  • Oracle Corporation MySQL Server

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.