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.
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Affected Vendors & Products
Advisories
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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Fri, 25 Sep 2026 19:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | GNU libextractor before 1.16 Privilege Escalation via LIBEXTRACTOR_PREFIX | |
| First Time appeared |
Gnu
Gnu libextractor |
|
| Weaknesses | CWE-426 | |
| CPEs | cpe:2.3:a:gnu:libextractor:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Gnu
Gnu libextractor |
|
| References |
|
|
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-25T19:38:28.517Z
Reserved: 2026-09-25T19:01:58.216Z
Link: CVE-2026-100310
No data.
Status : Received
Published: 2026-09-25T20:17:05.833
Modified: 2026-09-25T20:17:05.833
Link: CVE-2026-100310
No data.
OpenCVE Enrichment
Updated: 2026-09-25T20:45:17Z
Weaknesses