CVE-2025-4802

What it is

Untrusted LD_LIBRARY_PATH environment variable vulnerability in the GNU C Library version 2.27 to 2.38 allows attacker controlled loading of dynamically shared library in statically compiled setuid binaries that call dlopen (including internal dlopen calls after setlocale or calls to NSS functions such as getaddrinfo).

At a glance

Exploitability

Can be exploited locally on the machine without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.6% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2025-05-16 20:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 09:34 UTC Last updatedMost recent change to the record

Details

Published

2025-05-16 20:15 UTC

Last modified

2026-06-17 09:34 UTC

Exploit probability

0.6% · EPSS, next 30 days

Weakness

CWE-426

Record status

Modified

Affected

• Gnu Glibc ≤ 2.38

Attack profile CVSS 3.1 · 7.8

Attack vector

Local

Complexity

Low

Privileges needed

None

User interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High