---
id: CVE-2026-88369
title: >-
  zserge jsmn commit 25647e6 is vulnerable to Buffer Overflow in
  example/jsondump.c dump().
summary: >-
  zserge jsmn commit 25647e6 is vulnerable to Buffer Overflow in
  example/jsondump.c dump().
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-125
published: '2026-09-24'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T18:17:31.773'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-88369'
references:
  - url: 'https://github.com/zserge/jsmn/issues/249'
    label: cve@mitre.org
  - url: 'https://github.com/zserge/jsmn/issues/249'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-25T18:00:10.265493Z'
ingestedAt: '2026-09-24T15:45:56.660Z'
epss: 0.00152
epssPercentile: 0.03622
---

## Overview

zserge jsmn commit 25647e6 is vulnerable to Buffer Overflow in example/jsondump.c dump().

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.