Report: Ultimate Guide: CVE-2026-3039 - BIND 9 server memory exhaustion during GSS-API TKEY negotiation

Report: Ultimate Guide: CVE-2026-3039 - BIND 9 server memory exhaustion during GSS-API TKEY negotiation

CVE ID :CVE-2026-3039 Published : May 20, 2026, 1:16 p.m. | 1 hour, 15 minutes ago Description :BIND servers that are configured to use TKEY-based authentication via GSS-API tokens are vulnerable to excessive memory consumption when receiving and processing maliciously-constructed packets. Typically these servers will be found in Active Directory integrated DNS deployments and/or Kerberos-secured DNS environments. This issue affects BIND 9 versions 9.0.0 through 9.16.50, 9.18.0 through 9.18.48, 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, 9.9.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.48-S1, and 9.20.9-S1 through 9.20.22-S1. Severity: 7.5 | HIGH Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
HIGH
Published
May 20, 2026