SB2025112823 - openEuler 20.03 LTS SP4 update for bind 



SB2025112823 - openEuler 20.03 LTS SP4 update for bind

Published: November 28, 2025

Security Bulletin ID SB2025112823
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Insufficient verification of data authenticity (CVE-ID: CVE-2025-40778)

The vulnerability allows a remote attacker to poison DNS cache.

The vulnerability exists due to insufficient verification of data authenticity when accepting records from answers. A remote attacker can inject forged data into the cache leading to DNS cache poisoning. 


Remediation

Install update from vendor's website.