CVEvulnerability

CVE-2026-3039

7.5 HIGH Published 2026-05-20 Modified 2026-09-17 Official page ↗
Status
Modified
Published
2026-05-20
Last modified
2026-09-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-770, CWE-771

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.

Affected configurations

• isc bind (>= 9.0.0 <= 9.16.50) • isc bind (>= 9.18.0 < 9.18.49) • isc bind (>= 9.20.0 < 9.20.23) • isc bind (>= 9.21.0 < 9.21.22)

Related

Weakness · CWE (2)

  • CWE-770 Allocation of Resources Without Limits or Throttling weakness
  • CWE-771 Missing Reference to Active Allocated Resource weakness

References