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High, CVSS 7.5

github.com/buger/jsonparser has a denial of service vulnerability

CVE-2026-32285GHSA-6g7g-w4f8-9c9x

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (github.com/buger/jsonparser 1.1.2), redeploy, then verify what is actually installed.

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

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
  • CVE-2026-32285: 0.78% estimated exploitation activity in the next 30 days; percentile 55.95 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

The Delete function fails to properly validate offsets when processing malformed JSON input. This can lead to a negative slice index and a runtime panic, allowing a denial of service attack.

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

    Published from ghsa record GHSA-6g7g-w4f8-9c9x

Agent brief

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

# Patch Next advisory brief: CVE-2026-32285

Advisory: github.com/buger/jsonparser has a denial of service vulnerability
IDs: CVE-2026-32285, GHSA-6g7g-w4f8-9c9x
Record: https://patchnext.com/advisories/cve-2026-32285 (revision 1, source checked 26 Oct 2026, 15:19 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 7.5)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: github.com/buger/jsonparser 1.1.2. A vendor fix does not mean a deployment is fixed.

## Affected components
- Go github.com/buger/jsonparser: affected <= 1.1.1; fixed in 1.1.2

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

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on github.com/buger/jsonparser.
- 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-6g7g-w4f8-9c9x (GitHub-reviewed advisory GHSA-6g7g-w4f8-9c9x lists affected ranges: Go github.com/buger/jsonparser >=0 <=1.1.1)

Commands are suggestions: review each one before running it.

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