SB2026102998 - openEuler 24.03 LTS SP1 update for bind



SB2026102998 - openEuler 24.03 LTS SP1 update for bind

Published: October 29, 2026

Security Bulletin ID SB2026102998
CSH 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 vulnerability.


1) Insufficient verification of data authenticity (CVE-ID: CVE-2026-77119)

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

CVSSv4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to cause DNS cache poisoning.

The vulnerability exists due to insufficient verification of data authenticity in BIND 9 NSEC3 insecure-referral proof validation when processing insecure-referral proofs. A remote attacker can provide a validly signed NSEC3 record from an unrelated sibling zone to cause DNS cache poisoning.


Remediation

Install update from vendor's website.