py-libp2p before 0.2.3 allows a peer to cause a denial of service (resource consumption) via a large RSA key.
References:- https://nvd.nist.gov/vuln/detail/CVE-2025-29606
- https://github.com/libp2p/py-libp2p/issues/526
- https://github.com/libp2p/py-libp2p/pull/531/files
- https://github.com/libp2p/py-libp2p/compare/v0.2.2...v0.2.3
- https://github.com/libp2p/py-libp2p/commit/e150d3153af30530ce61d751bc166e099f1ead7a
- https://github.com/advisories/GHSA-x8c6-gj59-6rx8