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WS-2021-0414

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Date: August 19, 2025

In num-bigint before 0.4.3 two scenarios were reported where BigInt and BigUint multiplication may unexpectedly panic . Rust panics can either cause stack unwinding or program abort, depending on the application configuration. In some settings, an unexpected panic may constitute a denial-of-service vulnerability.

Language: RUST

Severity Score

Severity Score

Weakness Type (CWE)

Configuration

CWE-16

Improper Input Validation

CWE-20

Incorrect Calculation of Buffer Size

CWE-131

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): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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