{"cve":"CVE-2021-3516","nvd":{"published":"2021-06-01T14:15:10.373","modified":"2026-10-14T10:17:42.070","status":"Modified","description":"There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1954225","https://gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539","https://gitlab.gnome.org/GNOME/libxml2/-/issues/230","https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/"],"products":["debian:debian_linux","fedoraproject:fedora","netapp:clustered_data_ontap","netapp:clustered_data_ontap_antivirus_connector","netapp:ontap_select_deploy_administration_utility","oracle:zfs_storage_appliance_kit","redhat:enterprise_linux","redhat:jboss_core_services","xmlsoft:xmllint"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-3516","score":0.02043,"percentile":0.81033,"date":"2026-10-25"},"kev":null,"osv":[],"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."]}