{"api_version":"1","generated_at":"2026-10-25T09:14:56+00:00","cve":"CVE-2021-47996","urls":{"html":"https://cve.report/CVE-2021-47996","api":"https://cve.report/api/cve/CVE-2021-47996.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-47996","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-47996"},"summary":{"title":"CVE-2021-47996","description":"Rejected reason: This CVE ID has been rejected as a duplicate.","state":"REJECTED","assigner":"VulnCheck","published_at":"2026-08-25 16:16:42","updated_at":"2026-09-08 15:17:33"},"problem_types":[],"metrics":[],"references":[{"url":"https://github.com/GNOME/libxml2/commit/0e1a49c8907645d2e155f0d89d4d9895ac5112b5","name":"https://github.com/GNOME/libxml2/commit/0e1a49c8907645d2e155f0d89d4d9895ac5112b5","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/GNOME/libxml2/commit/1098c30a040e72a4654968547f415be4e4c40fe7","name":"https://github.com/GNOME/libxml2/commit/1098c30a040e72a4654968547f415be4e4c40fe7","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/GNOME/libxml2/commit/1358d157d0bd83be1dfe356a69213df9fac0b539","name":"https://github.com/GNOME/libxml2/commit/1358d157d0bd83be1dfe356a69213df9fac0b539","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/GNOME/libxml2/commit/50f06b3efb638efb0abd95dc62dca05ae67882c2","name":"https://github.com/GNOME/libxml2/commit/50f06b3efb638efb0abd95dc62dca05ae67882c2","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/GNOME/libxml2/commit/7ffcd44d7e6c46704f8af0321d9314cd26e0e18a","name":"https://github.com/GNOME/libxml2/commit/7ffcd44d7e6c46704f8af0321d9314cd26e0e18a","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/GNOME/libxml2/commit/8598060bacada41a0eb09d95c97744ff4e428f8e","name":"https://github.com/GNOME/libxml2/commit/8598060bacada41a0eb09d95c97744ff4e428f8e","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/GNOME/libxml2/commit/babe75030c7f64a37826bb3342317134568bef61","name":"https://github.com/GNOME/libxml2/commit/babe75030c7f64a37826bb3342317134568bef61","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/GNOME/libxml2/commit/bf22713507fe1fc3a2c4b525cf0a88c2dc87a3a2","name":"https://github.com/GNOME/libxml2/commit/bf22713507fe1fc3a2c4b525cf0a88c2dc87a3a2","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/sparklemotion/nokogiri/commit/0e1a49c8907645d2e155f0d89d4d9895ac5112b5","name":"https://github.com/sparklemotion/nokogiri/commit/0e1a49c8907645d2e155f0d89d4d9895ac5112b5","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/sparklemotion/nokogiri/commit/1098c30a040e72a4654968547f415be4e4c40fe7","name":"https://github.com/sparklemotion/nokogiri/commit/1098c30a040e72a4654968547f415be4e4c40fe7","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/sparklemotion/nokogiri/commit/1358d157d0bd83be1dfe356a69213df9fac0b539","name":"https://github.com/sparklemotion/nokogiri/commit/1358d157d0bd83be1dfe356a69213df9fac0b539","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/sparklemotion/nokogiri/commit/50f06b3efb638efb0abd95dc62dca05ae67882c2","name":"https://github.com/sparklemotion/nokogiri/commit/50f06b3efb638efb0abd95dc62dca05ae67882c2","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/sparklemotion/nokogiri/commit/7ffcd44d7e6c46704f8af0321d9314cd26e0e18a","name":"https://github.com/sparklemotion/nokogiri/commit/7ffcd44d7e6c46704f8af0321d9314cd26e0e18a","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/sparklemotion/nokogiri/commit/8598060bacada41a0eb09d95c97744ff4e428f8e","name":"https://github.com/sparklemotion/nokogiri/commit/8598060bacada41a0eb09d95c97744ff4e428f8e","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/sparklemotion/nokogiri/commit/babe75030c7f64a37826bb3342317134568bef61","name":"https://github.com/sparklemotion/nokogiri/commit/babe75030c7f64a37826bb3342317134568bef61","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/sparklemotion/nokogiri/commit/bf22713507fe1fc3a2c4b525cf0a88c2dc87a3a2","name":"https://github.com/sparklemotion/nokogiri/commit/bf22713507fe1fc3a2c4b525cf0a88c2dc87a3a2","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-7rrm-v45f-jp64","name":"https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-7rrm-v45f-jp64","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.vulncheck.com/advisories/nokogiri-before-multiple-vulnerabilities-via-libxml2","name":"https://www.vulncheck.com/advisories/nokogiri-before-multiple-vulnerabilities-via-libxml2","refsource":"MITRE","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-47996","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47996","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2021","cve_id":"47996","cve":"CVE-2021-47996","epss":"0.005020000","percentile":"0.410450000","score_date":"2026-09-03","updated_at":"2026-09-04 00:08:06"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"providerMetadata":{"dateUpdated":"2026-09-08T14:57:43.412Z","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck"},"rejectedReasons":[{"lang":"en","value":"This CVE ID has been rejected as a duplicate."}],"replacedBy":["CVE-2019-20388","CVE-2020-24977","CVE-2021-3517","CVE-2021-3518"]}},"cveMetadata":{"assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","assignerShortName":"VulnCheck","cveId":"CVE-2021-47996","datePublished":"2026-08-25T15:15:53.158Z","dateRejected":"2026-09-08T14:57:43.412Z","dateReserved":"2026-08-25T14:31:58.552Z","dateUpdated":"2026-09-08T14:57:43.412Z","state":"REJECTED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-25 16:16:42","lastModifiedDate":"2026-09-08 15:17:33","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"47996","Ordinal":"1","Title":"CVE-2021-47996","CVE":"CVE-2021-47996","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"47996","Ordinal":"1","NoteData":"Rejected reason: This CVE ID has been rejected as a duplicate.","Type":"Description","Title":"CVE-2021-47996"}]}}}