Electrum fixes critical Bitcoin theft flaw in fee adjustment process

Community Trust Score Verified 88 % Real Verified 41 votes Updated 5 minutes ago Electrum developers released version 4.8.3 on Oct. 24 to patch a high-severity vulnerability that allowed hackers to redirect Bitcoin payments when users attempted to increase transaction fees. The update addresses a flaw in how the wallet software processes transaction data from external servers, preventing unauthorized substitutions of pending payments. The vulnerability affects Electrum versions prior to 4.8.3 and exploits the wallet’s reliance on connected servers to track unconfirmed transactions.