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TI-2026-82769 Aliases CVE-2026-119281GHSA-grfq-r75j-rw9x

Non-UTF-8 result charset accepted in MariaDB Connector/J

Priority LOW 26CWE-838Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
Partial Red Hat: 9 without a fix

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

Summary

MariaDB Connector/J from 3.0.0 before 3.3.7, from 3.4.0 before 3.4.5, and from 3.5.0 before 3.5.11 is affected. The connector assumes result bytes are UTF-8 but does not reject changes to character_set_results (CWE-838). A malicious or compromised server, or a machine-in-the-middle attacker, can change the result charset so decoded strings differ from the returned bytes, defeating application validation or escaping.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

MariaDB Connector/J is used to connect applications developed in Java to MariaDB and MySQL databases. From 3.0.0 until 3.3.7, 3.4.5, and 3.5.11, the connector assumed result bytes were UTF-8 but guarded only changes to character_set_client. It did not reject non-UTF-8 character_set_results changes and relied on the server's global session_track_system_variables configuration to report character-set changes. A malicious or compromised server, or a machine-in-the-middle attacker, could suppress tracking or change the result charset so application strings differed from the returned bytes, potentially defeating application-side validation or escaping that depended on the decoded values. This issue is fixed in versions 3.3.7, 3.4.5, and 3.5.11.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00283 20th percentileScored 2026-11-07
Fix Partial mariadb-connector-j (mariadb-corporation): 3.3.7, 3.4.5, 3.5.11org.mariadb.jdbc:mariadb-java-client (Maven): 3.3.7, 3.4.5, 3.5.11Red Hat: 9 without a fix

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
MariaDBmariadb-connector-j3.0.0 to before 3.3.7; 3.4.0 to before 3.4.5; 3.5.0 to before 3.5.113.3.7, 3.4.5, 3.5.11Patch availableCNA
—org.mariadb.jdbc:mariadb-java-client (Maven)3.0.0 to before 3.3.73.3.7Patch availableGHSA-grfq-r75j-rw9x
—org.mariadb.jdbc:mariadb-java-client (Maven)3.4.0 to before 3.4.53.4.5Patch availableGHSA-grfq-r75j-rw9x
—org.mariadb.jdbc:mariadb-java-client (Maven)3.5.0 to before 3.5.113.5.11Patch availableGHSA-grfq-r75j-rw9x
  • mariadb-connector-j VendorMariaDB Affected 3.0.0 to before 3.3.7; 3.4.0 to before 3.4.5; 3.5.0 to before 3.5.11 Fixed in 3.3.7, 3.4.5, 3.5.11 Patch available CNA
  • org.mariadb.jdbc:mariadb-java-client (Maven) Vendor— Affected 3.0.0 to before 3.3.7 Fixed in 3.3.7 Patch available GHSA-grfq-r75j-rw9x
  • org.mariadb.jdbc:mariadb-java-client (Maven) Vendor— Affected 3.4.0 to before 3.4.5 Fixed in 3.4.5 Patch available GHSA-grfq-r75j-rw9x
  • org.mariadb.jdbc:mariadb-java-client (Maven) Vendor— Affected 3.5.0 to before 3.5.11 Fixed in 3.5.11 Patch available GHSA-grfq-r75j-rw9x

Remediation

Upgrade MariaDB Connector/J to 3.3.7, 3.4.5, or 3.5.11, or upgrade org.mariadb.jdbc:mariadb-java-client to 3.3.7, 3.4.5, or 3.5.11 in the matching line. Red Hat's plan is none available for Red Hat Build of Keycloak, Red Hat Enterprise Linux 8, 9 and 10, Red Hat OpenShift AI (RHOAI), Red Hat Satellite 6, Red Hat build of Debezium 3, and Red Hat build of Quarkus, and no fix planned for Red Hat OpenStack Platform 13 (Queens).

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

  • Fix · CNA mariadb-connector-j (mariadb-corporation) Fixed in 3.3.7, 3.4.5, 3.5.11
  • Fix · GHSA-grfq-r75j-rw9x org.mariadb.jdbc:mariadb-java-client (Maven) Fixed in 3.3.7 Advisory →
  • Fix · GHSA-grfq-r75j-rw9x org.mariadb.jdbc:mariadb-java-client (Maven) Fixed in 3.4.5 Advisory →
  • Fix · GHSA-grfq-r75j-rw9x org.mariadb.jdbc:mariadb-java-client (Maven) Fixed in 3.5.11 Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Build of KeycloakAffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 10AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Red Hat OpenShift AI (RHOAI)AffectedNo fix yet: Fix deferred
Red Hat OpenStack Platform 13 (Queens)AffectedNo fix planned: Out of support scope
Red Hat Satellite 6AffectedNo fix yet: Fix deferred
Red Hat build of Debezium 3AffectedNo fix yet: Fix deferred
Red Hat build of QuarkusAffectedNo fix yet
Not affected: 1 product
  • Red Hat Hardened Images

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-119281
  2. 2026-10-30 Alias added: GHSA-grfq-r75j-rw9x
  3. 2026-10-30 Fix available: Maven/org.mariadb.jdbc:[email protected], Maven/org.mariadb.jdbc:[email protected], Maven/org.mariadb.jdbc:[email protected] · GHSA-grfq-r75j-rw9x
  4. 2026-10-30 CVSS score added · GHSA-grfq-r75j-rw9x
  5. 2026-10-30 Weakness changed · GHSA-grfq-r75j-rw9x
  6. 2026-10-30 9 new references · GHSA-grfq-r75j-rw9x
  7. 2026-10-31 Priority changed: MEDIUM → LOW
  8. 2026-11-02 Affected versions changed · Red Hat
  9. 2026-11-02 CVSS score added · Red Hat
  10. 2026-11-04 Affected versions changed · Red Hat
  11. 2026-11-04 CISA SSVC decision points changed

References

Advisory 1

Other 8

  • TI-2023-11776 MariaDB v10.5 was discovered to contain a remote code execution (RCE) vulnerability via… CVSS 3.1CRITICAL 9.8
  • 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-2022-00687 Infinite loop in BN_mod_sqrt() reachable when parsing certificates CVSS 3.1HIGH 7.5
  • TI-2014-00217 OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h does not properly… CVSS 3.1HIGH 7.4
  • TI-2014-00188 The dtls1_reassemble_fragment function in d1_both.c in OpenSSL before 0.9.8za, 1.0.0… CVSS 2.0MEDIUM 6.8
  • TI-2018-15259 zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if… CVSS 3.1HIGH 7.5
See all 459 →

Sources

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