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RUSTSEC-2020-0074

Reference counting error in From<Py<T>>
Issued
Package
pyo3 (crates.io)
Type
Vulnerability
Keywords
#memory-corruption
Aliases
Details
https://github.com/PyO3/pyo3/pull/1297
CVSS Score
5.5 MEDIUM
CVSS Details
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Patched
  • >=0.12.4
Unaffected
  • <0.12.0

Description

A bug in From<Py<T>> would lead to an extra reference count decrement, often leading to use-after-free issues.