SB2026020439 - openEuler 20.03 LTS SP4 update for glibc

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Main Vulnerability Database SB2026020439

SB2026020439 - openEuler 20.03 LTS SP4 update for glibc

Published: February 4, 2026

Security Bulletin ID SB2026020439
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

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

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use of uninitialized resource (CVE-ID: CVE-2025-15281)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to usage of uninitialized resources when calling wordexp with WRDE_REUSE in conjunction with WRDE_APPEND. A remote attacker can pass specially crafted data to the application, trigger an uninitialized usage of resources and crash the application. 


2) Use of uninitialized resource (CVE-ID: CVE-2026-0915)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to usage of uninitialized resources when calling getnetbyaddr() or getnetbyaddr_r() functions with a configured nsswitch.conf and "net==0" in _nss_dns_getnetbyaddr_r. A remote attacker can trick the victim to initiate queries and force the library to leak contents to the configured DNS resolver. 


Remediation

Install update from vendor's website.

References