{"id":"DEBIAN-CVE-2026-100310","details":"GNU libextractor before 1.16 loads plugins from an untrusted search path specified by the LIBEXTRACTOR_PREFIX environment variable without proper privilege checks. A local attacker can exploit this by setting LIBEXTRACTOR_PREFIX to a directory containing a malicious plugin that executes arbitrary code with elevated privileges when loaded by a setuid or setgid program.","modified":"2026-10-01T08:47:42.094529400Z","published":"2026-09-25T20:17:05.833Z","upstream":["CVE-2026-100310"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-100310"}],"affected":[{"package":{"name":"libextractor","ecosystem":"Debian:12","purl":"pkg:deb/debian/libextractor?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.11-7","1:1.11-8","1:1.13-1","1:1.13-10","1:1.13-2","1:1.13-3","1:1.13-4","1:1.13-4+loong64","1:1.13-5","1:1.13-6","1:1.13-7","1:1.13-8","1:1.13-9","1:1.17-1","1:1.19-1","1:1.19-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-100310.json"}},{"package":{"name":"libextractor","ecosystem":"Debian:13","purl":"pkg:deb/debian/libextractor?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.13-10","1:1.13-8","1:1.13-9","1:1.17-1","1:1.19-1","1:1.19-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-100310.json"}},{"package":{"name":"libextractor","ecosystem":"Debian:14","purl":"pkg:deb/debian/libextractor?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.17-1"}]}],"versions":["1:1.13-10","1:1.13-8","1:1.13-9"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-100310.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}