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Advisory record · GHSA-v528-7hrm-frqp

Improper Check for Unusual or Exceptional Conditions in json-smart

CVSS 5.9 MediumEPSS 0.029 · 86th percentile

Published by the GitHub Advisory Database at 16 Jun 2021, 18:03 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
net.minidev:json-smartMaven<1.3.2 || >=2.4.0, <2.4.1 || >=2.0.0, <2.3.11.3.2, 2.4.1, 2.3.1
net.minidev:json-smart-miniMaven<1.3.21.3.2
Identifiers
GHSA-v528-7hrm-frqp · CVE-2021-27568
Weakness (CWE)
CWE-754
Tags
Published
16 Jun 2021
Updated
10 Sept 2026

Machine-written summary

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

Versions of net.minidev json-smart before 1.3.2, from 2.0.0 before 2.3.1, and from 2.4.0 before 2.4.1 are affected, as are json-smart-mini versions before 1.3.2. An uncaught exception, such as NumberFormatException, can be triggered by parsing crafted JSON input, which may crash programs using the library or expose sensitive information. Upgrade json-smart to 1.3.2, 2.3.1, or 2.4.1 as appropriate, and json-smart-mini to 1.3.2. The source gives few details on the exact attack conditions.

Written 2 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
5.9 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.029, the 86th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:18 UTC First seen by agentprime
  2. 31 Oct 2026, 14:18 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.