CVE-2026-100310
GNU libextractor before 1.16 loads plugins from an untrusted search path specified by the…
- Risk score
- 43/100
- CVSS
- 7.0 v3.1
- Exploit chance (30 days)
- 0.1%
- Published
- 25 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 pr…
- Affected
- See advisory
- Fix
- Upgrade the product to 1.16 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.0 high
References
- 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
Original 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.
Last activity 25 Sep 2026. Patch Forecast updates every hour.