{"id":"CVE-2026-100310","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-100310","summary":"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…","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.","published":"2026-09-25T20:17:05.833","modified":"2026-09-25T20:17:05.833","cvss":{"score":7,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://ftp.gnu.org/gnu/libextractor/"},{"type":"WEB","url":"https://git.gnunet.org/gnunet/libextractor/commit/6edfa653c048800e24a17f7e8cc2bb42659b8d01.html"},{"type":"WEB","url":"https://github.com/Haitam-lazaar/libextractor-privesc"},{"type":"WEB","url":"https://www.gnu.org/software/libextractor/"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/gnu-libextractor-before-1.16-privilege-escalation-via-libextractor-prefix"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-25T20:17:05.833"}}