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CVE-2020-35917

Good to know:

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Date: December 31, 2020

An issue was discovered in the pyo3 crate before 0.12.4 for Rust. There is a reference-counting error and use-after-free in From<Py<T>>.

Language: RUST

Severity Score

Related Resources (6)

https://github.com/PyO3/pyo3
https://rustsec.org/advisories/RUSTSEC-2020-0074.html
https://github.com/PyO3/pyo3/commit/8f81f595dd770b586c7ca7195b42004a6c976eb9
https://nvd.nist.gov/vuln/detail/CVE-2020-35917
https://github.com/PyO3/pyo3/pull/1297
https://www.mend.io/vulnerability-database/CVE-2020-35917

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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CVSS v3.1

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

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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