---
id: CVE-1999-0297
title: >-
  Buffer overflow in Vixie Cron library up to version 3.0 allows local users to
  obtain root access via a long environmental variable.
summary: >-
  Buffer overflow in Vixie Cron library up to version 3.0 allows local users to
  obtain root access via a long environmental variable.
severity: high
cvss: 7.2
cvssVector: 'AV:L/AC:L/Au:N/C:C/I:C/A:C'
published: '1996-12-12'
updated: '2026-06-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-1999-0297'
references:
  - url: 'https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0297'
    label: cve@mitre.org
  - url: 'https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0297'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00396
epssPercentile: 0.3102
ingestedAt: '2026-06-22T15:59:08.139Z'
---

## Overview

Buffer overflow in Vixie Cron library up to version 3.0 allows local users to obtain root access via a long environmental variable.

## Remediation

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