{"action":"Upgrade libmongocrypt to 1.20.4-1 or later.","affected":[{"fixed":"1.20.4-1","introduced":"0"}],"component":"libmongocrypt","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.20.4-1"],"id":"tcs_01M5NVZ1A9XRA1JRHRPJEFBHD6","modified_at":"2026-10-01T03:03:43.619454158Z","published_at":"2026-09-03T15:17:36.547Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-84971","https://security-tracker.debian.org/tracker/CVE-2026-84971"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-84971#Debian:14/libmongocrypt","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-84971"}],"summary":"Improper handling of an unexpected value size in the decryption path of a client-side encryption library can cause a failed internal check that terminates the process using the library. A party able t"}