# ALSA-2026:75578: Security update for 7 packages

ALSA-2026:75578, released October 5, 2026, fixes 5 CVEs across 7 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2026-75578
- Platform: Linux
- Released: Oct 5, 2026
- Priority: High (Closes CVE-2026-81736, high severity)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2026:75578

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [bind9.18](https://patchblox.com/security/data/product/linux/bind9.18.md) | almalinux 9 | 32:9.18.29-14.el9_8.10 |
| [bind9.18-chroot](https://patchblox.com/security/data/product/linux/bind9.18-chroot.md) | almalinux 9 | 32:9.18.29-14.el9_8.10 |
| [bind9.18-devel](https://patchblox.com/security/data/product/linux/bind9.18-devel.md) | almalinux 9 | 32:9.18.29-14.el9_8.10 |
| [bind9.18-dnssec-utils](https://patchblox.com/security/data/product/linux/bind9.18-dnssec-utils.md) | almalinux 9 | 32:9.18.29-14.el9_8.10 |
| [bind9.18-doc](https://patchblox.com/security/data/product/linux/bind9.18-doc.md) | almalinux 9 | 32:9.18.29-14.el9_8.10 |
| [bind9.18-libs](https://patchblox.com/security/data/product/linux/bind9.18-libs.md) | almalinux 9 | 32:9.18.29-14.el9_8.10 |
| [bind9.18-utils](https://patchblox.com/security/data/product/linux/bind9.18-utils.md) | almalinux 9 | 32:9.18.29-14.el9_8.10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-19666](https://patchblox.com/security/data/cve/CVE-2026-19666.md) | High | Use-after-free in query_addnoqnameproof() via the DNS64 filter64 path | 7.5 | 0.0057 |  |
| [CVE-2026-19667](https://patchblox.com/security/data/cve/CVE-2026-19667.md) | High | Remote assertion failure via 16-bit length truncation in `dns_ncache_add()` | 7.5 | 0.0057 |  |
| [CVE-2026-80274](https://patchblox.com/security/data/cve/CVE-2026-80274.md) | High | Validating resolver can abort while caching a mismatched NOQNAME proof | 7.5 | 0.0057 |  |
| [CVE-2026-81563](https://patchblox.com/security/data/cve/CVE-2026-81563.md) | High | SVCB AliasMode additional-data error leaks qpcache references | 7.5 | 0.0057 |  |
| [CVE-2026-81736](https://patchblox.com/security/data/cve/CVE-2026-81736.md) | High | bind9: If a BIND resolver has cached a tree of SVCB/HTTPS AliasMode records, and is then queried for the root of that tree,... | 7.5 | 0.0057 |  |

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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