CVE-2026-100310
HIGHCVSS 7.0Description
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.
Timeline
Published:September 25th, 2026 8:17 PM
Last modified:September 30th, 2026 5:31 PM
CVSS Scoring
CVSS v3: 7.0 (HIGH)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
- https://ftp.gnu.org/gnu/libextractor/
- https://git.gnunet.org/gnunet/libextractor/commit/6edfa653c048800e24a17f7e8cc2bb42659b8d01.html
- https://github.com/Haitam-lazaar/libextractor-privesc
- https://www.gnu.org/software/libextractor/
- https://www.vulncheck.com/advisories/gnu-libextractor-before-1.16-privilege-escalation-via-libextractor-prefix
- http://www.openwall.com/lists/oss-security/2026/09/25/25
Source: NIST NVD · Data may lag official sources by up to one minute