# RHSA-2026:18786: Security update for 10 packages

RHSA-2026:18786, released May 27, 2026, fixes 1 CVE across 10 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-18786
- Platform: Linux
- Released: May 27, 2026
- Priority: High (Closes CVE-2025-8677, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:18786

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [bind](https://patchblox.com/security/data/product/linux/bind.md) | RHEL 9 | 32:9.16.23-40.el9_8.1 |
| [bind-chroot](https://patchblox.com/security/data/product/linux/bind-chroot.md) | RHEL 9 | 32:9.16.23-40.el9_8.1 |
| [bind-devel](https://patchblox.com/security/data/product/linux/bind-devel.md) | RHEL 9 | 32:9.16.23-40.el9_8.1 |
| [bind-dnssec-doc](https://patchblox.com/security/data/product/linux/bind-dnssec-doc.md) | RHEL 9 | 32:9.16.23-40.el9_8.1 |
| [bind-dnssec-utils](https://patchblox.com/security/data/product/linux/bind-dnssec-utils.md) | RHEL 9 | 32:9.16.23-40.el9_8.1 |
| [bind-doc](https://patchblox.com/security/data/product/linux/bind-doc.md) | RHEL 9 | 32:9.16.23-40.el9_8.1 |
| [bind-libs](https://patchblox.com/security/data/product/linux/bind-libs.md) | RHEL 9 | 32:9.16.23-40.el9_8.1 |
| [bind-license](https://patchblox.com/security/data/product/linux/bind-license.md) | RHEL 9 | 32:9.16.23-40.el9_8.1 |
| [bind-utils](https://patchblox.com/security/data/product/linux/bind-utils.md) | RHEL 9 | 32:9.16.23-40.el9_8.1 |
| [python3-bind](https://patchblox.com/security/data/product/linux/python3-bind.md) | RHEL 9 | 32:9.16.23-40.el9_8.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-8677](https://patchblox.com/security/data/cve/CVE-2025-8677.md) | High | Resource exhaustion via malformed DNSKEY handling | 8.6 | 0.1074 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo