INFSA-2025:12748: glibc security update

Information about definition

Identificator: INFSA-2025:12748

Type: security

Release date: 2025-08-13 13:38:02 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-2025-8058

    A double-free vulnerability has been discovered in glibc (GNU C Library). This flaw occurs during bracket expression parsing within the regcomp function, specifically when a memory allocation failure takes place. Exploitation of a double-free vulnerability can lead to memory corruption, which could enable an attacker to achieve arbitrary code execution or a denial of service condition.

Severity level

CVE Score CVSS 2.0 Score CVSS 3.x Score CVSS 4.0
NIST — CVE-2025-8058
 no information 4.2 no information
Critical, important, moderate, low

Updated packages