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    JIS X 0208 bytes that produce ASCII characters

    Chrome logo 2

    Sequences of two bytes that when in the ISO-2022-JP charset and preceded by the JIS X 0201 1978 escape sequence, produce any ASCII character after decoding.

    Created by: JorianWoltjer

    Created on: Sunday, September 22, 2024 at 8:49:34 AM

    Updated on: Thursday, December 26, 2024 at 12:59:52 AM

    Vector type: JS

    Vector charset: UTF-8

    Code used before fuzz:
    d = new TextDecoder('ISO-2022-JP')
    Template used:
    b1 = Math.floor(i / 256);
b2 = i % 256;
c = d.decode(new Uint8Array([0x1b, 0x24, 0x40, b1, b2])) 
if (c.split("").map((c) => c.charCodeAt(0)).some((i) => i < 127)) log(i)
    Your browser was detected as:
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    Sample payloads

    b1 = Math.floor(i / 256);
b2 = i % 256;
c = d.decode(new Uint8Array([0x1b, 0x24, 0x40, b1, b2])) 
if (c.split("").map((c) => c.charCodeAt(0)).some((i) => i < 127)) alert(i)

    Fuzz results

    Chrome logo
    Chrome 129.0.0.0 desktop Windows NT 10.0

    Updated

    Sun Sep 22 2024
    Found 2 results
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