How Fake ‘Stuck’ Bitcoin Transactions Pay the Attacker: Inside the Electrum 4.8.3 Patch

Summary
Electrum 4.8.3 patches a flaw where malicious servers inject fake stuck transactions that trick users into fee-bumping a payment to the attacker; the advisory confirms the attack in the wild.
Description from Techreport.
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How Fake ‘Stuck’ Bitcoin Transactions Pay the Attacker: Inside the Electrum 4.8.3 Patch
Electrum 4.8.3 patches a flaw where malicious servers inject fake stuck transactions that trick users into fee-bumping a payment to the attacker; the advisory confirms the attack in the wild.