What is CVE-2025-4802?

CVE-2025-4802 is a high-severity vulnerability in Gnu Glibc, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2025-05-16.

How severe is CVE-2025-4802?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2025-4802 known to be exploited?

11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Gnu Glibc

CVE-2025-4802

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 inte…

EPSS: 0.004 (30.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Gnu Glibc
The Gnu C Library Glibc — versions 2.27

Weakness classification (CWE)

CWE-426 — Untrusted Search Path

Public proof-of-concept exploits

References

3ff69d7a-14f2-4f67-a097-88dee7810d18 (Patch)
3ff69d7a-14f2-4f67-a097-88dee7810d18 (Issue Tracking)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List)
af854a3a-2127-422b-91ae-364da2661108 (Exploit, Mailing List)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-4802?: CVE-2025-4802 is a high-severity vulnerability in Gnu Glibc, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2025-05-16.
How severe is CVE-2025-4802?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2025-4802 known to be exploited?: 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.