# OPENSUSE-SU-2026:21489-1: bind security update

OPENSUSE-SU-2026:21489-1, released July 30, 2026, fixes 9 CVEs in bind (version 9.20.26-160000.1.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/opensuse-su-2026-21489-1
- Platform: Linux
- Released: Jul 30, 2026
- Priority: High (Closes CVE-2026-11605, high severity)
- CVEs: 9, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/openSUSE-SU-2026:21489-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [bind](https://patchblox.com/security/data/product/linux/bind.md) | opensuse-leap 16.0 | 9.20.26-160000.1.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-11605](https://patchblox.com/security/data/cve/CVE-2026-11605.md) | High | Unnecessary validation of DNSSEC signed records | 7.5 | 0.0067 |  |
| [CVE-2026-11622](https://patchblox.com/security/data/cve/CVE-2026-11622.md) | High | Potential memory usage beyond configured limits | 8.6 | 0.0054 |  |
| [CVE-2026-12617](https://patchblox.com/security/data/cve/CVE-2026-12617.md) | High | Record ordering based unexpected exit with CNAME or DNAME | 7.5 | 0.0052 |  |
| [CVE-2026-13204](https://patchblox.com/security/data/cve/CVE-2026-13204.md) | High | Unexpected exit in certain situations with NSEC and NSEC3 both present | 8.6 | 0.0052 |  |
| [CVE-2026-11331](https://patchblox.com/security/data/cve/CVE-2026-11331.md) | High | Potential wildcard CNAME RPZ policy bypass | 8.6 | 0.0043 |  |
| [CVE-2026-11721](https://patchblox.com/security/data/cve/CVE-2026-11721.md) | High | Cache poisoning possible with label count discrepancy, RRSIG, and wildcards | 8.6 | 0.0040 |  |
| [CVE-2026-10723](https://patchblox.com/security/data/cve/CVE-2026-10723.md) | High | Incorrect acceptance of NSEC3 records | 8.6 | 0.0027 |  |
| [CVE-2026-13321](https://patchblox.com/security/data/cve/CVE-2026-13321.md) | High | DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field | 8.6 | 0.0022 |  |
| [CVE-2026-10822](https://patchblox.com/security/data/cve/CVE-2026-10822.md) | Routine | Key Record using PRIVATEDNS algorithm may lead to unexpected exit | 6.5 | 0.0042 |  |

---

Data as of 2026-11-10T01:44:33Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.