# RHSA-2026:8155: Security update for 9 packages

RHSA-2026:8155, released April 15, 2026, fixes 1 CVE across 9 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-8155
- Platform: Linux
- Released: Apr 15, 2026
- Priority: High (Closes CVE-2026-1519, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:8155

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [bind9.16](https://patchblox.com/security/data/product/linux/bind9.16.md) | RHEL 8 | 32:9.16.23-0.22.el8_10.5 |
| [bind9.16-chroot](https://patchblox.com/security/data/product/linux/bind9.16-chroot.md) | RHEL 8 | 32:9.16.23-0.22.el8_10.5 |
| [bind9.16-devel](https://patchblox.com/security/data/product/linux/bind9.16-devel.md) | RHEL 8 | 32:9.16.23-0.22.el8_10.5 |
| [bind9.16-dnssec-utils](https://patchblox.com/security/data/product/linux/bind9.16-dnssec-utils.md) | RHEL 8 | 32:9.16.23-0.22.el8_10.5 |
| [bind9.16-doc](https://patchblox.com/security/data/product/linux/bind9.16-doc.md) | RHEL 8 | 32:9.16.23-0.22.el8_10.5 |
| [bind9.16-libs](https://patchblox.com/security/data/product/linux/bind9.16-libs.md) | RHEL 8 | 32:9.16.23-0.22.el8_10.5 |
| [bind9.16-license](https://patchblox.com/security/data/product/linux/bind9.16-license.md) | RHEL 8 | 32:9.16.23-0.22.el8_10.5 |
| [bind9.16-utils](https://patchblox.com/security/data/product/linux/bind9.16-utils.md) | RHEL 8 | 32:9.16.23-0.22.el8_10.5 |
| [python3-bind9.16](https://patchblox.com/security/data/product/linux/python3-bind9.16.md) | RHEL 8 | 32:9.16.23-0.22.el8_10.5 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-1519](https://patchblox.com/security/data/cve/CVE-2026-1519.md) | High | Excessive NSEC3 iterations cause high CPU load during insecure delegation validation | 7.5 | 0.0169 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo