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Cve-2026-40342

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critical advisory

Firebird Path Traversal Vulnerability Leads to Code Execution (CVE-2026-40342)

An authenticated user with CREATE FUNCTION privileges can exploit a path traversal vulnerability in Firebird versions prior to 5.0.4, 4.0.7, and 3.0.14, to load an arbitrary shared library leading to code execution as the server's OS account.

firebird path-traversal code-execution cve-2026-40342 database
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