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44ea6764be
The parser accepts any string as an EXTRACT() field name, but deparsing does not quote and escape it accordingly. To fix, quote and escape the field name during deparsing as needed. It might be a good idea to validate the field name during parsing and deparsing, too, but that is left as a future exercise. Reported-by: Ben Morris in collaboration with Claude and Anthropic Research Author: Nathan Bossart <nathandbossart@gmail.com> Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Reviewed-by: Etsuro Fujita <etsuro.fujita@gmail.com> Security: CVE-2026-15741 Backpatch-through: 14