Description
Rejected as this CVE is duplicate to CVE-2026-4890.
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 | dnsmasq | No fix yet | — |
| Debian 13 | dnsmasq | No fix yet | — |
| Debian 12 | dnsmasq | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | dnsmasq | No fix yet | — |
| Ubuntu 26.04 LTS | dnsmasq | No fix yet | — |
| Ubuntu 24.04 LTS | dnsmasq | No fix yet | — |
| Ubuntu 22.04 LTS | dnsmasq | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | dnsmasq | No fix yet | — |
| Ubuntu Pro 18.04 LTS | dnsmasq | No fix yet | — |
| Ubuntu Pro 16.04 LTS | dnsmasq | No fix yet | — |
| Ubuntu Pro 14.04 LTS | dnsmasq | No fix yet | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | dnsmasq +1 | 2.90-1.amzn2023.0.3 | ALAS2023-2026-1729 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | dnsmasq | No fix yet | — |
Advisories 1
- ALAS2023-2026-1729 Important: dnsmasq security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Aug 24, 2026