CVE-2023-26249
First published: Tue Feb 21 2023(Updated: )
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nic Knot Resolver | <5.6.0 |
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Frequently Asked Questions
What is CVE-2023-26249?
CVE-2023-26249 is a vulnerability in Knot Resolver before version 5.6.0 that allows attackers to consume its resources, launch amplification attacks, and potentially cause a denial of service.
How does CVE-2023-26249 affect Knot Resolver?
CVE-2023-26249 affects Knot Resolver before version 5.6.0 by allowing a single client query to lead to a hundred TCP connection attempts if a DNS server closes connections without providing a response.
What is the severity of CVE-2023-26249?
CVE-2023-26249 has a severity rating of high, with a score of 7.5.
How can I fix the CVE-2023-26249 vulnerability?
To fix the CVE-2023-26249 vulnerability, you should update Knot Resolver to version 5.6.0 or newer.
Where can I find more information about CVE-2023-26249?
You can find more information about CVE-2023-26249 at the following link: [https://www.knot-resolver.cz/2023-01-26-knot-resolver-5.6.0.html](https://www.knot-resolver.cz/2023-01-26-knot-resolver-5.6.0.html).
- collector/nvd-index
- vendor/nic
- product/knot resolver
- canonical/nic knot resolver