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Vulnerability record · CVE-2025-4802 · published 16 May 2025

CVE-2025-4802: Gnu glibc untrusted search path vulnerability

Gnu · Glibc

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).

7.8 CVSS 3.1 High EPSS 0.59% · top 53.9% CWE-426 · Untrusted search path
7.8CVSS 3.1 base score
0.59%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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).

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://sourceware.org/bugzilla/show_bug.cgi?id=32976 Issue Tracking
https://sourceware.org/cgit/glibc/commit/?id=1e18586c5820e329f741d5c710275e165581380e Patch
http://www.openwall.com/lists/oss-security/2025/05/16/7 Mailing List
http://www.openwall.com/lists/oss-security/2025/05/17/2 ExploitMailing List
https://lists.debian.org/debian-lts-announce/2025/05/msg00033.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-4802), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.