The widely-used practice of escaping ASCII single quote "'" by turning it into "\'" is unsafe when operating in multibyte encodings that allow 0x5c (ASCII code for backslash) as the trailing byte of a multibyte character.

Version Information

Affected Version Fixed In
8.1 8.1.4
8.0 8.0.8
7.4 7.4.13
7.3 7.3.15

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