7.3
High
CVE-2026-100310 GNU libextractor before 1.16 loads plugins from an untrusted search path specified by the LIBEXTRACTOR_PREFIX…
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| libextractor 1.16 | earliest → < 1.16 | 1.16 |
References
- github.com github.com
- git.gnunet.org git.gnunet.org
- ftp.gnu.org ftp.gnu.org
- www.gnu.org www.gnu.org
- VulnCheck Advisory: GNU libextractor before 1.16 Privilege Escalation via LIBEXTRACTOR_PREFIX www.vulncheck.com
Timeline
- Published
- Last modified