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Advisory record · GHSA-6g7g-w4f8-9c9x

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

CVSS 7.5 HighEPSS 0.0078 · 56th percentile

Published by the GitHub Advisory Database at 18 Mar 2026, 13:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/buger/jsonparserGo<1.1.21.1.2
Identifiers
GHSA-6g7g-w4f8-9c9x · CVE-2026-32285 · GO-2026-4514
Weakness (CWE)
CWE-125 · CWE-129 · CWE-1285
Tags
Published
18 Mar 2026
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The github.com/buger/jsonparser package before 1.1.2 is vulnerable to denial of service. The Delete function does not properly validate offsets when handling malformed JSON, which can cause a negative slice index and a runtime panic. Upgrade to version 1.1.2 or later.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.0078, the 56th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:13 UTC First seen by agentprime
  2. 31 Oct 2026, 14:13 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.