{"id":"PYSEC-2026-1536","summary":"py-libp2p is vulnerable to DoS attacks through use of large RSA keys","details":"py-libp2p before 0.2.3 allows a peer to cause a denial of service (resource consumption) via a large RSA key.","aliases":["CVE-2025-29606","GHSA-x8c6-gj59-6rx8"],"modified":"2026-07-07T17:46:51.331307093Z","published":"2026-07-07T16:02:57.706656Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-29606"},{"type":"WEB","url":"https://github.com/libp2p/py-libp2p/issues/526"},{"type":"WEB","url":"https://github.com/libp2p/py-libp2p/pull/531/files"},{"type":"WEB","url":"https://github.com/libp2p/py-libp2p/commit/e150d3153af30530ce61d751bc166e099f1ead7a"},{"type":"PACKAGE","url":"https://github.com/libp2p/py-libp2p"},{"type":"WEB","url":"https://github.com/libp2p/py-libp2p/compare/v0.2.2...v0.2.3"},{"type":"PACKAGE","url":"https://pypi.org/project/libp2p"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-x8c6-gj59-6rx8"}],"affected":[{"package":{"name":"libp2p","ecosystem":"PyPI","purl":"pkg:pypi/libp2p"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.3"}]}],"versions":["0.1.0a0","0.1.1","0.1.2","0.1.3","0.1.4","0.1.5","0.2.0","0.2.1","0.2.2"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/libp2p/PYSEC-2026-1536.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}]}