Security vulnerabilities and automated fixes for odbc issues
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A critical stack buffer overflow vulnerability was discovered and patched in `src/dbodbc.c`, where unbounded `sprintf` calls allowed attackers to overflow a fixed-size buffer by supplying oversized DSN, UID, or PWD values in ODBC connection strings. Left unpatched, this flaw could enable attackers to overwrite saved return addresses and achieve arbitrary code execution. This post breaks down how the vulnerability works, how it was fixed, and what developers can do to prevent similar issues in th