{"cve":"CVE-2021-3518","nvd":{"published":"2021-05-18T12:15:08.043","modified":"2026-10-14T10:17:44.110","status":"Modified","description":"There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-416"],"references":["http://seclists.org/fulldisclosure/2021/Jul/54","http://seclists.org/fulldisclosure/2021/Jul/55","http://seclists.org/fulldisclosure/2021/Jul/58","http://seclists.org/fulldisclosure/2021/Jul/59","https://bugzilla.redhat.com/show_bug.cgi?id=1954242"],"products":["debian:debian_linux","fedoraproject:fedora","netapp:active_iq_unified_manager","netapp:clustered_data_ontap","netapp:clustered_data_ontap_antivirus_connector","netapp:hci_h410c_firmware","netapp:manageability_software_development_kit","netapp:ontap_select_deploy_administration_utility","netapp:snapdrive","oracle:communications_cloud_native_core_network_function_cloud_native_environment","oracle:enterprise_manager_base_platform","oracle:enterprise_manager_ops_center","oracle:mysql_workbench","oracle:peoplesoft_enterprise_peopletools","oracle:real_user_experience_insight","redhat:enterprise_linux","redhat:jboss_core_services","xmlsoft:libxml2"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-3518","score":0.21859,"percentile":0.97627,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-v4f8-2847-rwm7","url":"https://osv.dev/vulnerability/GHSA-v4f8-2847-rwm7","summary":"Nokogiri Implements libxml2 version vulnerable to use-after-free","modified":"2024-03-09T05:19:27.542901Z","packages":[{"ecosystem":"RubyGems","name":"nokogiri","purl":"pkg:gem/nokogiri","ranges":["<1.11.4"],"fixed":["1.11.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}