CVE-2025-4802

Name: CVE-2025-4802
Creator: NVD / NIST
Published: 2025-05-16T20:15:22.28+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2025-4802 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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).. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

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).

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.39%

31.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-426

Affected Software

Vendor	Product	Versions
Gnu	Glibc	>= 2.27, <= 2.38

References

https://sourceware.org/bugzilla/show_bug.cgi?id=32976Issue Tracking
https://sourceware.org/cgit/glibc/commit/?id=1e18586c5820e329f741d5c710275e165581380ePatch
http://www.openwall.com/lists/oss-security/2025/05/16/7Mailing List
http://www.openwall.com/lists/oss-security/2025/05/17/2Exploit, Mailing List
https://lists.debian.org/debian-lts-announce/2025/05/msg00033.html

Timeline

Published: May 16, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-4802?

How severe is CVE-2025-4802?

CVE-2025-4802 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2025-4802?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-4802?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST