# ALSA-2025:21111: Security update for 7 packages

ALSA-2025:21111, released November 12, 2025, fixes 3 CVEs across 7 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2025-21111
- Platform: Linux
- Released: Nov 12, 2025
- Priority: High (Closes CVE-2025-8677, high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2025:21111

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [bind9.18](https://patchblox.com/security/data/product/linux/bind9.18.md) | almalinux 9 | 32:9.18.29-5.el9_7.2 |
| [bind9.18-chroot](https://patchblox.com/security/data/product/linux/bind9.18-chroot.md) | almalinux 9 | 32:9.18.29-5.el9_7.2 |
| [bind9.18-devel](https://patchblox.com/security/data/product/linux/bind9.18-devel.md) | almalinux 9 | 32:9.18.29-5.el9_7.2 |
| [bind9.18-dnssec-utils](https://patchblox.com/security/data/product/linux/bind9.18-dnssec-utils.md) | almalinux 9 | 32:9.18.29-5.el9_7.2 |
| [bind9.18-doc](https://patchblox.com/security/data/product/linux/bind9.18-doc.md) | almalinux 9 | 32:9.18.29-5.el9_7.2 |
| [bind9.18-libs](https://patchblox.com/security/data/product/linux/bind9.18-libs.md) | almalinux 9 | 32:9.18.29-5.el9_7.2 |
| [bind9.18-utils](https://patchblox.com/security/data/product/linux/bind9.18-utils.md) | almalinux 9 | 32:9.18.29-5.el9_7.2 |

## 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 |  |
| [CVE-2025-40778](https://patchblox.com/security/data/cve/CVE-2025-40778.md) | High | Cache poisoning attacks with unsolicited RRs | 8.6 | 0.0067 |  |
| [CVE-2025-40780](https://patchblox.com/security/data/cve/CVE-2025-40780.md) | High | Cache poisoning due to weak PRNG | 8.6 | 0.0047 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo