Description
Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. This vulnerability is fixed in 1.17.1.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| containers | aardvark-dns | >= 1.16.0, < 1.17.1 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | aardvark-dns | 1.16.0-3 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | aardvark-dns | No fix yet | — |
| Ubuntu 26.04 LTS | aardvark-dns | No fix yet | — |
| Ubuntu 25.10 | aardvark-dns | No fix yet | — |
| Ubuntu 24.04 LTS | aardvark-dns | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | aardvark-dns | 2:1.17.1-1.el10_2 | RHSA-2026:36782 |
| RHEL 9 | aardvark-dns | 2:1.17.1-1.el9_8 | RHSA-2026:36318 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | aardvark-dns +1 | 2.1.0-1.hum1 | RHSA-2026:56999 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | aardvark-dns | 2:1.17.1-1.el10_2 | ALSA-2026:36782 |
| AlmaLinux 9 | aardvark-dns | 2:1.17.1-1.el9_8 | ALSA-2026:36318 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | aardvark-dns | 2:1.17.1-1.el10_2 | RLSA-2026:36782 |
| Rocky Linux 9 | aardvark-dns | 2:1.17.1-1.el9_8 | RLSA-2026:36318 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | aardvark-dns | 1.17.1-1.1 | openSUSE-SU-2026:10570-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | aardvark-dns | 1.17.1-r0 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | aardvark-dns | 2:1.17.1-1.el10_2 | ELSA-2026-36782 |
| Oracle Linux 9 | aardvark-dns | 2:1.17.1-1.el9_8 | ELSA-2026-36318 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| crates.io | netavark | >= 1.16.0, < 1.17.1 | 1.17.1 | GHSA-hfpq-x728-986j |
Advisories 11
- ALSA-2026:36318 Moderate: aardvark-dns security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:36782 Moderate: aardvark-dns security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2026:56999 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 20, 2026
- WID-SEC-2026-2247 Red Hat Enterprise Linux (libsolv, aardvark-dns): Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 14, 2026
- RHSA-2026:36782 Red Hat Security Advisory: aardvark-dns security update Red Hat Security Advisories (RHSA) · Sep 22, 2026
- RHSA-2026:36318 Red Hat Security Advisory: aardvark-dns security update Red Hat Security Advisories (RHSA) · Sep 22, 2026
- ELSA-2026-36782 Moderate: aardvark-dns security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Jul 16, 2026
- RLSA-2026:36782 Moderate: aardvark-dns security update Rocky Linux Security Advisories · Jul 10, 2026
- RLSA-2026:36318 Moderate: aardvark-dns security update Rocky Linux Security Advisories · Jul 8, 2026
- ELSA-2026-36318 Moderate: aardvark-dns security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jul 7, 2026
- openSUSE-SU-2026:10570-1 aardvark-dns-1.17.1-1.1 on GA media SUSE / openSUSE Security Updates · Apr 19, 2026