Description
A flaw was found in knot-resolver before version 2.3.0. Malformed DNS messages may cause denial of service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | knot-resolver | Knot Resolver 2.3.0 | — |
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 | knot-resolver | 2.3.0-1 | — |
| Debian 13 | knot-resolver | 2.3.0-1 | — |
| Debian 12 | knot-resolver | 2.3.0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | knot-resolver | No fix yet | — |
| Ubuntu Pro 16.04 LTS | knot-resolver | No fix yet | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | knot-resolver | 2.3.0-r0 | — |
| Alpine v3.23 | knot-resolver | 2.3.0-r0 | — |
| Alpine v3.22 | knot-resolver | 2.3.0-r0 | — |
| Alpine v3.21 | knot-resolver | 2.3.0-r0 | — |
| Alpine v3.20 | knot-resolver | 2.3.0-r0 | — |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | knot-resolver | 2.3.0-r0 | — |
| Alpine v3.18 | knot-resolver | 2.3.0-r0 | — |
| Alpine v3.17 | knot-resolver | 2.3.0-r0 | — |
| Alpine v3.16 | knot-resolver | 2.3.0-r0 | — |
| Alpine v3.15 | knot-resolver | 2.3.0-r0 | — |
| Alpine v3.14 | knot-resolver | 2.3.0-r0 | — |
| Alpine v3.13 | knot-resolver | 2.3.0-r0 | — |
| Alpine v3.12 | knot-resolver | 2.3.0-r0 | — |
| Alpine v3.11 | knot-resolver | 2.3.0-r0 | — |
| Alpine v3.10 | knot-resolver | 2.3.0-r0 | — |