Denial of Service Vulnerability in py-libp2p by libp2p
CVE-2025-29606

4.3MEDIUM

Key Information:

Vendor

Libp2p

Status
Py-libp2p
Vendor
CVE Published:
14 July 2025

What is CVE-2025-29606?

A vulnerability in py-libp2p versions before 0.2.3 allows attackers to cause a denial of service condition by leveraging large RSA keys. This design flaw enables a peer to exhaust server resources, potentially leading to service disruption. Users of the specified version should update to the latest version to mitigate potential exploits.

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Affected Version(s)

py-libp2p 0 < 0.2.3

References

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

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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