Medium severity · published Jul 14, 2025
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
4.3
CVSS
0.4%
EPSS
No
On KEV
Description
py-libp2p before 0.2.3 allows a peer to cause a denial of service (resource consumption) via a large RSA key.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PY
py-libp2p · libp2p
before 0.2.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-29606
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-29606
github.com
https://github.com/libp2p/py-libp2p/compare/v0.2.2...v0.2.3
github.com
https://github.com/libp2p/py-libp2p/issues/526
github.com
https://github.com/libp2p/py-libp2p/pull/531/files
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