INFSA-2025:8655: glibc security update

Information about definition

Identificator: INFSA-2025:8655

Type: security

Release date: 2025-07-07 11:22:06 UTC

Information about package

The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the name service cache daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly.

Vulnerabilities description

  • 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 calls after setlocale or calls to NSS functions such as getaddrinfo).

Severity level

CVE Score CVSS 2.0 Score CVSS 3.x Score CVSS 4.0
NIST — CVE-2025-4802
no information 7.0 no information
Critical, important, moderate, low

Updated packages