CVE-2025-8058
glibc: Double free in glibc
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 24, 2025
Updated · September 9, 2026
Description
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 4.2CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
CWE-415 · Double Free