CVE-2026-100310

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 v3 7.0 HIGH

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

26 Sep 2026, 01:16

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2026/09/25/25 -

25 Sep 2026, 20:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-25 20:17

Updated : 2026-09-30 17:31

NVD link : CVE-2026-100310

Mitre link : CVE-2026-100310

CVE.ORG link : CVE-2026-100310

JSON object : View

Products Affected

No product.

CWE

CWE-426

Untrusted Search Path

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