Categories ⋅ Keywords ⋅ Packages Advisories for package 'pyo3' February 18, 2026 RUSTSEC-2026-0013: Vulnerability in pyo3 Type confusion when accessing data from sublasses of subclasses of native types with abi3 feature targeting Python 3.12 and up April 1, 2025 RUSTSEC-2025-0020: Vulnerability in pyo3 Risk of buffer overflow in PyString::from_object December 5, 2024 RUSTSEC-2024-0409: Vulnerability in pyo3 Build corruption when using PYO3_CONFIG_FILE environment variable October 14, 2024 RUSTSEC-2024-0378: Vulnerability in pyo3 Risk of use-after-free in borrowed reads from Python weak references November 28, 2020 MEDIUM RUSTSEC-2020-0074: Vulnerability in pyo3 Reference counting error in From<Py<T>>