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An integer overflow in Nethermind Juno before v.12.05 within the Sierra bytecode decompression logic within the "cairo-lang-starknet-classes" library could allow remote attackers to trigger an infinite loop (and high CPU usage) by submitting a malicious Declare v2/v3 transaction. This results in a denial-of-service condition for affected Starknet full-node implementations.
Reserved 2025-03-11 | Published 2025-03-27 | Updated 2025-03-28 | Assigner mitrecommunity.starknet.io/...ull-node-vulnerability-recap/115314
github.com/...ommit/51074875941aa111c5dd2b41f2ec890a4a15b587
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