CVE-2024-24788
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedA malformed DNS message in response to a query can cause the Lookup functions to get stuck in an infinite loop.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceA vulnerability exists where malformed DNS responses can cause Lookup functions to enter an infinite loop, resulting in a denial of service condition. The issue stems from insufficient validation of DNS message structure before processing, allowing specially crafted responses to trap the lookup process.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- High
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the software using DNS Lookup functionsReview your application or service dependencies to determine if they use any DNS resolution libraries or functions that process DNS responsesAffected if The software performs DNS lookups and processes responses from network sources
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Determine the library or package versionCheck the version of the DNS-related library or Go package in use (e.g., via dependency manifest, package manager, or binary inspection)Affected if The installed version matches or predates the vulnerable version range for this CVE
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Verify DNS response processing is exposedInspect configuration or code to confirm the Lookup function processes external or untrusted DNS responses (such as from recursive resolvers or network sources)Affected if The application processes DNS responses from network sources without additional validation layers
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Check for existing validation or loop preventionReview any custom DNS client implementation or library configuration for message structure validation and loop prevention mechanismsAffected if No explicit DNS message validation or infinite loop guards are implemented in the DNS resolution path
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Confirm network exposure of DNS lookup featureDetermine if the affected Lookup function is accessible over the network or handles responses from untrusted DNS serversAffected if The DNS Lookup feature processes responses from external or untrusted network sources
Your environment is affected if you use software with DNS Lookup functions that process external DNS responses and the library version has not been updated to include proper DNS message validation and loop prevention.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUpdate the affected library or software containing the vulnerable Lookup functions to a version that properly validates DNS message structure and includes loop prevention mechanisms. If no patch is available, implement network-level controls to filter untrusted DNS responses.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2024-24788 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2024-24788 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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