7.5
High
CVE-2026-3039 BIND servers that are configured to use TKEY-based authentication via GSS-API tokens are vulnerable to excessive…
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 products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| BIND 9 9.21 | 9.21.0 → 9.21.21 | No fix stated |
| BIND 9 9.20 | 9.20.0 → 9.20.22 | No fix stated |
| BIND 9 9.18 | 9.18.0 → 9.18.48 | No fix stated |
| BIND 9 9.9 | 9.9.3-S1 → 9.16.50-S1 | No fix stated |
| BIND 9 9.0 | 9.0.0 → 9.16.50 | No fix stated |
| Red Hat Enterprise Linux AppStream (v. 10) | Versions not published | |
| Red Hat Enterprise Linux AppStream (v. 8) | Versions not published | |
| Red Hat Enterprise Linux AppStream (v. 9) | Versions not published | |
| Red Hat Enterprise Linux BaseOS (v. 8) | Versions not published |
Show the 14 other branches Hide the 14 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Versions not published | |
| Red Hat Enterprise Linux CRB (v. 8) | Versions not published | |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Versions not published | |
| Red Hat Hardened Images 9.18 | earliest → < 9.18.49-1.hum1 | 9.18.49-1.hum1 |
| Red Hat Enterprise Linux 6 | Versions not published | |
| Red Hat Enterprise Linux 7 | Versions not published | |
| Red Hat OpenShift Container Platform 4 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published | |
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9.6 Extended Update Support | Versions not published | |
| Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions | Versions not published | |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | Versions not published | |
| Red Hat OpenShift Container Platform 4.16 416.94 | earliest → < 416.94.202609011112-0 | 416.94.202609011112-0 |
References
- CVE-2026-3039 kb.isc.org
- downloads.isc.org downloads.isc.org
- downloads.isc.org downloads.isc.org
- downloads.isc.org downloads.isc.org
Timeline
- Published
- Last modified
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