{"schemaVersion":3,"id":"CVE-2025-29606","aliases":["GHSA-x8c6-gj59-6rx8","PYSEC-2026-1536"],"status":"published","duplicateOf":null,"title":null,"description":"py-libp2p before 0.2.3 allows a peer to cause a denial of service (resource consumption) via a large RSA key.","dates":{"published":"2025-07-14T00:00:00.000Z","modified":"2025-07-14T14:13:07.783Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":4.3,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":4.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Pypi","score":4.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","exploitability":7.2,"impact":2.3,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":4.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00378,"percentile":0.3052,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0.04699999999999999,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.00331},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00378,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00378,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00378,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00378,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00378,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00378,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00378,"percentile":0.3052}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00331,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00352,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00378,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00378,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00378,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00378,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00378,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00378,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00378,"percentile":0.3052}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-770","name":"Allocation of Resources Without Limits or Throttling","description":"The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/770.html"}],"affected":[{"vendor":"libp2p","product":"py-libp2p","name":"py-libp2p","label":"py-libp2p","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 0.2.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.2.3","eol":null,"hubHref":"/vendor/libp2p/py-libp2p"},{"vendor":"PyPI","product":"libp2p","name":"libp2p","label":"libp2p","ecosystem":"PyPI","cpePart":null,"purl":"pkg:pypi/libp2p","purlType":"pypi","versions":[{"text":"< 0.2.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.2.3","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/libp2p/py-libp2p/issues/526","label":"github.com/libp2p/py-libp2p/issues/526","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/libp2p/py-libp2p/pull/531/files","label":"github.com/libp2p/py-libp2p/pull/531/files","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/libp2p/py-libp2p/compare/v0.2.2...v0.2.3","label":"github.com/libp2p/py-libp2p/compare/v0.2.2...v0.2.3","hostname":"github.com","tags":["WEB"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-29606","label":"nvd.nist.gov/vuln/detail/CVE-2025-29606","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/libp2p/py-libp2p/commit/e150d3153af30530ce61d751bc166e099f1ead7a","label":"github.com/libp2p/py-libp2p/commit/e150d3153af30530ce61d751bc166e099f1ead7a","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/libp2p/py-libp2p","label":"github.com/libp2p/py-libp2p","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://pypi.org/project/libp2p","label":"pypi.org/project/libp2p","hostname":"pypi.org","tags":["PACKAGE"]},{"url":"https://github.com/advisories/GHSA-x8c6-gj59-6rx8","label":"github.com/advisories/GHSA-x8c6-gj59-6rx8","hostname":"github.com","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2025-07-14T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-07-14T14:13:07.783Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":17,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T04:30:48.802Z","stale":false,"partial":false}}