HIGHVulnerability
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Global

NVD HIGH: CVE-2026-100310 — GNU libextractor before 1.16 loads plugins from an untrusted search path specifi...

·Source: NIST NVD

Updated:

Executive 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 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.

Analysis

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. CVSS Score: 7. Published: 2026-09-25T20:17:05.833.

Indicators of Compromise (1)

CVE (1)
CVE-2026-100310
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Sep 25, 2026. Verified by: NIST.

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