GHSA-27VH-H6MC-Q6G8 btcd did not correctly re-implement Bitcoin Core's "FindAndDelete()" functionality

Impact The btcd Bitcoin client versions 0.10 to 0.24 did not correctly re-implement Bitcoin Core's "FindAndDelete" functionality. This logic is consensus-critical: the difference in behavior with the other Bitcoin clients can lead to btcd clients accepting an invalid Bitcoin block or rejecting a...