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CVE-2025-62370

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Date: October 15, 2025

Alloy Core libraries at the root of the Rust Ethereum ecosystem. Prior to 0.8.26 and 1.4.1, an uncaught panic triggered by malformed input to alloy_dyn_abi::TypedData could lead to a denial-of-service (DoS) via eip712_signing_hash(). Software with high availability requirements such as network services may be particularly impacted. If in use, external auto-restarting mechanisms can partially mitigate the availability issues unless repeated attacks are possible. The vulnerability was patched by adding a check to ensure the element is not empty before accessing its first element; an error is returned if it is empty. The fix is included in version v1.4.1 and backported to v0.8.26.

Severity Score

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Uncaught Exception

CWE-248

Top Fix

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Upgrade Version

Upgrade to version alloy-dyn-abi - 0.8.26;alloy-dyn-abi - 1.4.1;https://github.com/alloy-rs/core.git - v0.8.26;https://github.com/alloy-rs/core.git - v1.4.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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