{"action":"Upgrade libxml2 to 2.9.10+dfsg-6.6 or later.","affected":[{"fixed":"2.9.10+dfsg-6.6","introduced":"0"}],"component":"libxml2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.9.10+dfsg-6.6"],"id":"tcs_01M5NFS1S2CM35WFSS3N5S3ZEP","modified_at":"2026-10-15T09:47:43.896241443Z","published_at":"2021-06-01T14:15:10.373Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-3516","https://security-tracker.debian.org/tracker/CVE-2021-3516"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-3516","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-3516"}],"summary":"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 f"}