crates.io/pyo3

Reference counting error in pyo3

Modified: 11/8/2023

PyO3 has an Out-of-bounds Read in `nth` / `nth_back` for `PyList` and `PyTuple` iterators

Modified: 9/10/2026

PyO3 has type confusion when accessing data from sublasses of subclasses of native types with `abi3` feature

Modified: 2/23/2026

PyO3 has a risk of use-after-free in `borrowed` reads from Python weak references

Modified: 10/28/2025

PyO3 has a missing `Sync` bound on `PyCFunction::new_closure` closures

Modified: 9/10/2026

PyO3 Risk of buffer overflow in `PyString::from_object`

Modified: 9/10/2026

Build corruption when using `PYO3_CONFIG_FILE` environment variable

Modified: 10/28/2025

Reference counting error in `From<Py<T>>`

Modified: 11/8/2023

Risk of use-after-free in `borrowed` reads from Python weak references

Modified: 10/28/2025

Build corruption when using `PYO3_CONFIG_FILE` environment variable

Modified: 10/28/2025

Risk of buffer overflow in `PyString::from_object`

Modified: 10/28/2025

Type confusion when accessing data from sublasses of subclasses of native types with `abi3` feature targeting Python 3.12 and up

Modified: 2/23/2026

Out-of-bounds read in `nth` / `nth_back` for `PyList` and `PyTuple` iterators

Modified: 6/13/2026

Missing `Sync` bound on `PyCFunction::new_closure` closures

Modified: 6/13/2026