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Vulnerabilities

Vulnerability · CVE-2025-29606

py-libp2p before 0.2.3 allows a peer to cause a denial of service (resource consumption) via a large RSA key.

Published Jul 14, 2025 · catalog updated Jul 14, 2025 · py-libp2p before 0.2.3 allows

Last checked Oct 27, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-29606. EPSS is 0.38%. Act only if a listed version of py-libp2p before 0.2.3 allows is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (py-libp2p before 0.2.3 allows).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.38%
Remediation
Version ranges on file
Affected products
vendor libp2p py-libp2p 0 <0.2.3

py-libp2p before 0.2.3 allows a peer to cause a denial of service (resource consumption) via a large RSA key.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor libp2p py-libp2p 0 <0.2.30 <0.2.3

How to fix CVE-2025-29606

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-29606. EPSS is 0.38%. Act only if a listed version of py-libp2p before 0.2.3 allows is installed.

Which versions are affected?

Compare what you have installed with libp2p py-libp2p 0 <0.2.3 0 <0.2.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.38%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 14, 2025 · EUVD

    Detected

    py-libp2p before 0.2.3 allows a peer to cause a denial of service (resource consumption) via a large RSA key.

  2. Jul 14, 2025 · EUVD

    Updated

    py-libp2p before 0.2.3 allows a peer to cause a denial of service (resource consumption) via a large RSA key.

Sources

  • CVE.orgVulnerability recordCVE-2025-29606

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-29606

    30-day exploitation probability 0.38%

    first.org
  • EUVDVulnerability recordEUVD-2025-21304

    py-libp2p before 0.2.3 allows a peer to cause a denial of service (resource consumption) via a large RSA key.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 27, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 24, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 19, 2026