{"action":"Upgrade glibc to 2.21-1 or later.","affected":[{"fixed":"2.21-1","introduced":"0"}],"component":"glibc","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.21-1"],"id":"tcs_01M5NAY5KY1P3H40Y8447CF9T4","modified_at":"2026-10-23T15:47:35.866277187Z","published_at":"2015-03-27T14:59:03.353Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2014-8121","https://security-tracker.debian.org/tracker/CVE-2014-8121"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2014-8121","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2014-8121"}],"summary":"DB_LOOKUP in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) 2.21 and earlier does not properly check if a file is open, which allows remote attackers to c"}