{"action":"Upgrade sed to 4.9-2+deb13u1 or later.","affected":[{"fixed":"4.9-2+deb13u1","introduced":"0"}],"component":"sed","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.9-2+deb13u1"],"id":"tcs_01M5NT5J076S8ZAMCQCD0R8RAP","modified_at":"2026-10-01T03:02:41.803897575Z","published_at":"2026-04-20T12:16:08.433Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-5958","https://security-tracker.debian.org/tracker/CVE-2026-5958"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-5958#Debian:13/sed","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-5958"}],"summary":"When sed is invoked with both -i (in-place edit) and --follow-symlinks, the function open_next_file() performs two separate, non-atomic filesystem operations on the same path: 1. resolves symlink to i"}