SB2025091804 - Gentoo update for glibc 

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2025091804

SB2025091804 - Gentoo update for glibc

Published: September 18, 2025

Security Bulletin ID SB2025091804
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Untrusted search path (CVE-ID: CVE-2025-4802)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to usage of an untrusted LD_LIBRARY_PATH environment variable. A local user can use the LD_LIBRARY_PATH environment variable to point to a malicious binary and execute arbitrary code with escalated privileges.

The vulnerability affects statically linked setuid binaries that call dlopen (including internal dlopen calls after setlocale or calls to NSS functions such as getaddrinfo).


2) Double free (CVE-ID: CVE-2025-8058)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the regcomp() function in case previous memory allocations fail. A remote attacker can pass specially crafted data to the application, trigger double free error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References