{"id":"DEBIAN-CVE-2026-121549","details":"nnn through 5.3 contains an insecure temporary file vulnerability in the pdfread and nuke plugins that allows local attackers to overwrite files by exploiting predictable paths in /tmp. Attackers can pre-create a symlink at the name-derived or PID-derived path so the victim's plugin truncates and overwrites any file the victim can write.","modified":"2026-11-06T19:00:06.347667712Z","published":"2026-11-03T16:17:26.730Z","upstream":["CVE-2026-121549"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-121549"}],"affected":[{"package":{"name":"nnn","ecosystem":"Debian:12","purl":"pkg:deb/debian/nnn?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.7-1","4.8-1","4.9-1","5.0-1","5.1-1","5.2-1","5.3-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-121549.json"}},{"package":{"name":"nnn","ecosystem":"Debian:13","purl":"pkg:deb/debian/nnn?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0-1","5.1-1","5.2-1","5.3-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-121549.json"}},{"package":{"name":"nnn","ecosystem":"Debian:14","purl":"pkg:deb/debian/nnn?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0-1","5.1-1","5.2-1","5.3-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-121549.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N"}]}