{"id":"CVE-2020-14422","revision":null,"records":[{"revision":"9c66ea55da6645cc9f204fcf15b770d1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2020-14422","aliases":[],"title":"Lib/ipaddress.py in Python through 3.8.3 improperly computes hash values in the IPv4Interface and IPv6Interface classes, which might allow a remote attacker to cause a denial of service if an application is affected by the performance of a …","description":"Lib/ipaddress.py in Python through 3.8.3 improperly computes hash values in the IPv4Interface and IPv6Interface classes, which might allow a remote attacker to cause a denial of service if an application is affected by the performance of a dictionary containing IPv4Interface or IPv6Interface objects, and this attacker can cause many dictionary entries to be created. This is fixed in: v3.5.10, v3.5.10rc1; v3.6.12; v3.7.9; v3.8.4, v3.8.4rc1, v3.8.5, v3.8.6, v3.8.6rc1; v3.9.0, v3.9.0b4, v3.9.0b5, v3.9.0rc1, v3.9.0rc2.","state":0,"publishedAt":"2020-06-18T00:00:00+00:00","modifiedAt":"2026-10-14T09:29:19.735+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"version\": \"n/a\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://bugs.python.org/issue41004","https://github.com/python/cpython/pull/20956","http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00003.html","http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00006.html","https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X36Y523UAZY5QFXZAAORNFY63HLBWX7N/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCCZTAYZATTNSNEAXWA7U3HCO2OVQKT5/","http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00032.html","http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00041.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT4AF72TJ2XNIKCR4WEBR7URBJJ4YZRD/","https://usn.ubuntu.com/4428-1/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3TALOUBYU2MQD4BPLRTDQUMBKGCAXUA/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LE4O3PNDNNOMSKHNUKZKD3NGHIFUFDPX/","https://security.gentoo.org/glsa/202008-01","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YILCHHTNLH4GG4GSQBX2MZRKZBXOLCKE/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NTBKKOLFFNHG6CM4ACDX4APHSD5ZX5N4/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CNHPQGSP2YM3JAUD2VAMPXTIUQTZ2M2U/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V53P2YOLEQH4J7S5QHXMKMZYFTVVMTMO/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CTUNTBJ3POHONQOTLEZC46POCIYYTAKZ/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36XI3EEQNMHGOZEI63Y7UV6XZRELYEAU/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OXI72HIHMXCQFWTULUXDG7VDA2BCYL4Y/","https://www.oracle.com/security-alerts/cpujan2021.html","https://security.netapp.com/advisory/ntap-20200724-0004/","https://lists.debian.org/debian-lts-announce/2023/05/msg00016.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2020-14422","license":"CVE Program Terms of Use","key":"cve-program:CVE-2020-14422","identifiers":["CVE-2020-14422"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-10T05:04:17.0540934+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-10T05:04:17.0540934+00:00","lastSuccessAt":"2026-11-10T05:04:18.9669147+00:00","error":null,"lastVerifiedAt":"2026-11-10T05:04:18.9669149+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-0cb393c0854647ceaeade74220bf537d","complete":false,"records":13695,"lastAttemptAt":"2026-11-10T05:06:08.8352765+00:00","lastSuccessAt":"2026-11-10T05:06:08.831+00:00","error":"100 identifier lookups failed; latest failures include request timeout. 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