CVE-2020-35917

MEDIUM

pyo3 < 0.12.4 - Use-After-Free in From<Py<T>>

Title source: llm
STIX 2.1

Description

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>>.

References (1)

Core 1
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
https://rustsec.org/advisories/RUSTSEC-2020-0074.html

Scores

CVSS v3 5.5
EPSS 0.0039
EPSS Percentile 30.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-416
Status published
Products (2)
crates.io/pyo3 0.12.0 - 0.12.4crates.io
pyo3_project/pyo3 < 0.12.4
Published Dec 31, 2020
Tracked Since Feb 18, 2026