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 internal dlopen…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.56% probability · 45th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-426
- Affected
- gnu/glibc
- Source
- 3ff69d7a-14f2-4f67-a097-88dee7810d18
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.