CVE-2026-100310 GNU libextractor - Privilege Escalation

GNU libextractor before 1.16 contains a privilege escalation caused by loading plugins from an untrusted search path specified by LIBEXTRACTOR_PREFIX without proper privilege checks, letting local attackers execute arbitrary code with elevated privileges, exploit requires setuid or setgid program execution.

CVSS base score 7.0 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.14% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation, Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
25 September 2026
Updated
15 October 2026
Weakness
CWE-426

Vendor fix

Upgrade to version 1.16 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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