CVE-2026-119281 - MariaDB Connector/J: Server could switch character_set_results away from UTF-8 without the client noticing

CVE-2026-119281 - MariaDB Connector/J: Server could switch character_set_results away from UTF-8 without the client noticing

https://cvefeed.io/rssfeed/latest.atom / Fri, 10/30/2026 - 01:12
CVE ID :CVE-2026-119281
Published : Oct. 29, 2026, 9:17 p.m. | 2 hours, 6 minutes ago
Description :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.
Severity: 5.9 | MEDIUM
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