Description
The dnslib package through 0.9.16 for Python does not verify that the ID value in a DNS reply matches an ID value in a query.
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 | python-dnslib | 0.9.18-1 | — |
| Debian 13 | python-dnslib | 0.9.18-1 | — |
| Debian 12 | python-dnslib | 0.9.18-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | python-dnslib | No fix yet | — |
| Ubuntu 26.04 LTS | python-dnslib | No fix yet | — |
| Ubuntu 25.10 | python-dnslib | No fix yet | — |
| Ubuntu 24.04 LTS | python-dnslib | No fix yet | — |
| Ubuntu 22.04 LTS | python-dnslib | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | python-dnslib | No fix yet | — |
| Ubuntu 18.04 LTS | python-dnslib | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | dnslib | < 0.9.17 | 0.9.17 | GHSA-r478-c2pc-m7gx |