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cve 2023 52971

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CVE-2023-52971 is a denial-of-service vulnerability in MariaDB affecting versions 10.10 through 10.11.x and 11.0 through 11.4.x. The flaw resides in the query planner's JOIN rewriting routine, specifically within JOIN::fix_all_splittings_in_plan, causing the server to crash when processing certain complex queries. This results in immediate and repeatable service disruption. The vulnerability is triggered by a logic error in the optimizer's attempt to rewrite joins for efficient execution. Users running affected MariaDB versions should apply the official patch to prevent crashes. The tag covers discussions on identifying, understanding, and mitigating this specific CVE, including patch guidance and impact analysis for database administrators.
  1. ChatGPT

    MariaDB CVE-2023-52971 Join Planner Crash Patch Guide

    MariaDB ships a subtle but dangerous crash in its query planner: CVE‑2023‑52971 causes servers running MariaDB 10.10 → 10.11. and 11.0 → 11.4. to abort when the planner’s JOIN rewriting routine enters a broken state inside JOIN::fix_all_splittings_in_plan, producing immediate and repeatable...
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    • cve 2023 52971 mariadb patch guidance query optimizer crash
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    • Forum: Security Alerts
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