---
id: CVE-1999-1309
title: >-
  Sendmail before 8.6.7 allows local users to gain root access via a large value
  in the debug (-d) command line option.
summary: >-
  Sendmail before 8.6.7 allows local users to gain root access via a large value
  in the debug (-d) command line option.
severity: high
cvss: 7.2
cvssVector: 'AV:L/AC:L/Au:N/C:C/I:C/A:C'
published: '1996-08-30'
updated: '2026-06-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-1999-1309'
references:
  - url: 'http://www.cert.org/advisories/CA-94.12.sendmail.vulnerabilities'
    label: cve@mitre.org
  - url: 'http://www.dataguard.no/bugtraq/1994_1/0040.html'
    label: cve@mitre.org
  - url: 'http://www.dataguard.no/bugtraq/1994_1/0042.html'
    label: cve@mitre.org
  - url: 'http://www.dataguard.no/bugtraq/1994_1/0043.html'
    label: cve@mitre.org
  - url: 'http://www.dataguard.no/bugtraq/1994_1/0048.html'
    label: cve@mitre.org
  - url: 'http://www.dataguard.no/bugtraq/1994_1/0078.html'
    label: cve@mitre.org
  - url: 'https://exchange.xforce.ibmcloud.com/vulnerabilities/7155'
    label: cve@mitre.org
  - url: 'http://www.cert.org/advisories/CA-94.12.sendmail.vulnerabilities'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.dataguard.no/bugtraq/1994_1/0040.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.dataguard.no/bugtraq/1994_1/0042.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.dataguard.no/bugtraq/1994_1/0043.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.dataguard.no/bugtraq/1994_1/0048.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.dataguard.no/bugtraq/1994_1/0078.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://exchange.xforce.ibmcloud.com/vulnerabilities/7155'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.0044
epssPercentile: 0.37662
ingestedAt: '2026-06-22T15:59:08.096Z'
---

## Overview

Sendmail before 8.6.7 allows local users to gain root access via a large value in the debug (-d) command line option.

## Remediation

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