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← Actionable
Medium, CVSS 5.3

Traefik vulnerable to GO issue allowing malformed DNS message to cause infinite loop

GHSA-f7cq-5v43-8pwp

What to do

Partial vendor fix. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • Go github.com/traefik/traefik/v3

    Affected
    < 3.0.1
    Fixed in
    3.0.1

  • Go github.com/traefik/traefik/v2

    Affected
    < 2.11.3
    Fixed in
    2.11.3

  • Go github.com/traefik/traefik

    Affected
    <= 1.7.34
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
5.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

Impact There is a vulnerability in GO managing malformed DNS message, which impacts Traefik. This vulnerability could be exploited to cause a denial of service. References - CVE-2024-24788 Patches - https://github.com/traefik/traefik/releases/tag/v2.11.3 - https://github.com/traefik/traefik/releases/tag/v3.0.1 Workarounds No workaround. For more information If you have any questions or comments about this advisory, please open an issue.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-f7cq-5v43-8pwp

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: GHSA-f7cq-5v43-8pwp

Advisory: Traefik vulnerable to GO issue allowing malformed DNS message to cause infinite loop
IDs: GHSA-f7cq-5v43-8pwp
Record: https://patchnext.com/advisories/ghsa-f7cq-5v43-8pwp (revision 1, source checked 26 Oct 2026, 15:04 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 5.3)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Partial vendor fix; fixed versions by package: github.com/traefik/traefik/v3 3.0.1; github.com/traefik/traefik/v2 2.11.3. A vendor fix does not mean a deployment is fixed.

## Affected components
- Go github.com/traefik/traefik/v3: affected < 3.0.1; fixed in 3.0.1
- Go github.com/traefik/traefik/v2: affected < 2.11.3; fixed in 2.11.3
- Go github.com/traefik/traefik: affected <= 1.7.34

## Suggested inspection (read-only)
- Go github.com/traefik/traefik/v3: check the installed version with your package manager.
- Go github.com/traefik/traefik/v2: check the installed version with your package manager.
- Go github.com/traefik/traefik: check the installed version with your package manager.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on github.com/traefik/traefik/v3, github.com/traefik/traefik/v2, github.com/traefik/traefik.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-f7cq-5v43-8pwp (GitHub-reviewed advisory GHSA-f7cq-5v43-8pwp lists affected ranges: Go github.com/traefik/traefik/v2 >=0 =0 =0 <=1.7.34)

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