PatchTheCVECVE-2022-22846: The dnslib package through 0.9.16 for Python does not verify that the ID value in a DNS reply matches an ID va
CVE-2022-22846 is a high-severity flaw (CVSS 7.5) affecting dnslib. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.8% (top 42%) |
| CISA exploited list | No |
| Published | 2022-01-10 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2022-22846?
dnslib: upgrade to newer than 0.9.16. Exact commands for each OS are on this page.
Is CVE-2022-22846 being exploited?
CVE-2022-22846 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2022-22846 affect?
CVE-2022-22846 affects dnslib. Severity is high (CVSS 7.5). 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.
How urgent is CVE-2022-22846?
Priority 46/100. High severity; Remotely exploitable, no login, no user action