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WS-2020-0205

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Date: November 28, 2020

A vulnerability was found in PyO3 before version 0.12.4. A bug in From<Py<T>> would lead to an extra reference count decrement, often leading to use-after-free issues. This issue affects only versions 0.12.0 through 0.12.3

Language: RUST

Severity Score

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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Upgrade Version

Upgrade to version v0.12.4

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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): LOW
Integrity (I): LOW
Availability (A): LOW

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