CVE-2026-100310
7.3
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GNU | libextractor | 0 < 1.16 | affected |
Weaknesses
- CWE-426: Untrusted Search Path
ADP Enrichment
CVE Program Container
Additional References
References
- https://github.com/Haitam-lazaar/libextractor-privesc
- https://git.gnunet.org/gnunet/libextractor/commit/6edfa653c048800e24a17f7e8cc2bb42659b8d01.html
- https://ftp.gnu.org/gnu/libextractor/
- https://www.gnu.org/software/libextractor/
- https://www.vulncheck.com/advisories/gnu-libextractor-before-1.16-privilege-escalation-via-libextractor-prefix
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