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121 sats \ 2 replies \ @Scoresby 23h \ on: ⚠️ CVE-2012-2459 explained bitcoin
This is really helpful! I love these explainers of CVEs.
One question: how is it possible that in Block B it has the same transaction twice? I would have thought this was something that violated validation rules (I'm assuming both TX3s spend the same utxo to the same addresses)?
how is it possible that in Block B it has the same transaction twice? I would have thought this was something that violated validation rules
That’s exactly what the fix for CVE-2012-2459 addressed. After Bitcoin 0.6.1, core rejects blocks with duplicate txs.
commit for the fix in Core
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This is really helpful! I love these explainers of CVEs.
will make some explainers for the CVEs disclosed today
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