DoS Attacks and Defense Technologies in Blockchain Systems: a Hierarchical Analysis

Blockchain technology is widely used in various fields due to its ability to provide decentralization and trustless security. This is a fundamental understanding held by many advocates, but it is misunderstood, leading participants to fail to recognize the limitations of the security that...

CVE-2025-54429 Polkadot Frontier's constructing smart contract can bypass precompile address bounding

Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. There are various account address types in Frontier, e.g. precompiled contracts, smart contracts, and externally owned accounts. Some EVM mechanisms should be unreachable by certain types of accounts for...

CVE-2025-54429

Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. There are various account address types in Frontier, e.g. precompiled contracts, smart contracts, and externally owned accounts. Some EVM mechanisms should be unreachable by certain types of accounts for...

PT-2025-31154 · Polkadot · Polkadot Frontier

Name of the Vulnerable Software and Affected Versions: Polkadot Frontier versions prior to 0822030 Description: Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. The implementation of CallableByContract incorrectly identified contract addresses running under...

CVE-2025-54429: Incorrect Type Conversion or Cast

Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. There are various account address types in Frontier, e.g. precompiled contracts, smart contracts, and externally owned accounts. Some EVM mechanisms should be unreachable by certain types of accounts for...

GHSA-RM83-PXJX-PR5J Duplicate Advisory: CosmWasm affected by arithmetic overflows

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8724-5xmm-w5xq. This link is maintained to preserve external references. Original Description The cosmwasm-std crate before 2.0.2 for Rust allows integer overflows that cause incorrect contract calculations...

CVE-2024-58263

The cosmwasm-std crate before 2.0.2 for Rust allows integer overflows that cause incorrect contract calculations...

CVE-2024-58263

The cosmwasm-std crate before 2.0.2 for Rust allows integer overflows that cause incorrect contract calculations...

CVE-2024-58263

The cosmwasm-std crate before 2.0.2 for Rust allows integer overflows that cause incorrect contract calculations...

CVE-2024-58263

CVE-2024-58263 concerns the cosmwasm-std crate prior to version 2.0.2 for Rust, which allows integer overflows that can lead to incorrect contract calculations. The vulnerability stems from wrapping arithmetic used in core operations, potentially causing miscalculations in smart contracts that re...

CVE-2024-58263

The cosmwasm-std crate before 2.0.2 for Rust allows integer overflows that cause incorrect contract calculations...

CVE-2024-58263

The cosmwasm-std crate before 2.0.2 for Rust allows integer overflows that cause incorrect contract calculations...

EncryptHub Targets Web3 Developers Using Fake AI Platforms to Deploy Fickle Stealer Malware

The financially motivated threat actor known as EncryptHubaka LARVA-208 and Water Gamayun has been attributed to a new campaign that's targeting Web3 developers to infect them with information stealer malware. "LARVA-208 has evolved its tactics, using fake AI platforms e.g., Norlax AI, mimicking...

CVE-2025-54070

OpenZeppelin Contracts is a library for secure smart contract development. Starting in version 5.2.0 and prior to version 5.4.0, the lastIndexOfbytes,byte,uint256 function of the Bytes.sol library may access uninitialized memory when the following two conditions hold: 1 the provided buffer length...

@oasisprotocol/sapphire-contracts (0.2.17), @openwhaleorg/pendle (>=0.1.0, <=0.1.14) +15 more potentially affected by CVE-2025-54070 via @openzeppelin/contracts-upgradeable (>=5.2.0, <=5.3.0)

@openzeppelin/contracts-upgradeable NPM version =5.2.0, =0.1.0, =0.1.0, =0.0.4, =1.0.0, =0.1.0, =0.3.0, =0.5.3, =7.9.0-maine3c28f1, =3.0.0-rc.0, =1.0.0-alpha.1, =0.3.0, =0.3.0, =0.3.2, =0.1.0, =0.3.1 and more Source cves: CVE-2025-54070 Source advisory: OSV:GHSA-9RCW-C2F9-2J55...

@1inch/delegating (2.0.0), @1inch/farming (4.0.0) +33 more potentially affected by CVE-2025-54070 via @openzeppelin/contracts (>=5.2.0, <=5.3.0)

@openzeppelin/contracts NPM version =5.2.0, =1.0.0-alpha.9, =0.1.0, =0.1.0, =0.0.4, =1.0.0, =0.1.0, =0.3.0, =0.5.3, =7.9.0-main3c5a2f8, =7.9.0-maine3c28f1, =7.9.0-main01f77d70, =7.9.0-mainc91b9b3, =8.0.9 and more Source cves: CVE-2025-54070 Source advisory: OSV:GHSA-9RCW-C2F9-2J55...

CVE-2025-54070

OpenZeppelin Contracts is a library for secure smart contract development. Starting in version 5.2.0 and prior to version 5.4.0, the lastIndexOfbytes,byte,uint256 function of the Bytes.sol library may access uninitialized memory when the following two conditions hold: 1 the provided buffer length...

CVE-2025-54070: Out-of-bounds Read

OpenZeppelin Contracts is a library for secure smart contract development. Starting in version 5.2.0 and prior to version 5.4.0, the lastIndexOfbytes,byte,uint256 function of the Bytes.sol library may access uninitialized memory when the following two conditions hold: 1 the provided buffer length...

AI Agent Smart Contract Exploit Generation

We present A1, an agentic execution driven system that transforms any LLM into an end-to-end exploit generator. A1 has no hand-crafted heuristics and provides the agent with six domain-specific tools that enable autonomous vulnerability discovery. The agent can flexibly leverage these tools to...

Researchers Uncover Batavia Windows Spyware Stealing Documents from Russian Firms

Russian organizations have been targeted as part of an ongoing campaign that delivers a previously undocumented Windows spyware called Batavia. The activity, per cybersecurity vendor Kaspersky, has been active since July 2024. "The targeted attack begins with bait emails containing malicious link...