PT-2025-29420 · Pypi · Py-Libp2P

Chaojie Xiong + 4 · Published 2025-07-14 · Updated 2025-07-14 · CVE-2025-29606

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions: py-libp2p versions prior to 0.2.3

Description: py-libp2p versions prior to 0.2.3 are susceptible to a denial of service (resource consumption) issue. This occurs when a peer sends a large RSA key.

Recommendations: Update py-libp2p to version 0.2.3 or later.

Fix

DoS

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2025-29606

GHSA-X8C6-GJ59-6RX8

Affected Products

Py-Libp2P

References · 11

• https://osv.dev/vulnerability/CVE-2025-29606 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-29606 · Security Note
• https://osv.dev/vulnerability/GHSA-x8c6-gj59-6rx8 · Vendor Advisory
• https://github.com/libp2p/py-libp2p/issues/526 · Note
• https://github.com/libp2p/py-libp2p/pull/531/files · Note
• https://github.com/libp2p/py-libp2p/compare/v0.2.2...v0.2.3 · Note
• https://github.com/libp2p/py-libp2p/commit/e150d3153af30530ce61d751bc166e099f1ead7a · Note
• https://github.com/libp2p/py-libp2p · Note
• https://t.me/cvenotify/128795 · Telegram Post
• https://twitter.com/CVEnew/status/1944621457536864553 · Twitter Post
• https://t.me/cvetracker/27733 · Telegram Post