---
id: CVE-1999-1554
title: >-
  /usr/sbin/Mail on SGI IRIX 3.3 and 3.3.1 does not properly set the group ID to
  the group ID of the user who started Mail, which allows local users to read
  the mail of other users.
summary: >-
  /usr/sbin/Mail on SGI IRIX 3.3 and 3.3.1 does not properly set the group ID to
  the group ID of the user who started Mail, which allows local users to read
  the mail of other users.
severity: low
cvss: 2.1
cvssVector: 'AV:L/AC:L/Au:N/C:P/I:N/A:N'
published: '1990-10-31'
updated: '2026-06-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-1999-1554'
references:
  - url: 'http://www.cert.org/advisories/CA-1990-08.html'
    label: cve@mitre.org
  - url: 'http://www.iss.net/security_center/static/3164.php'
    label: cve@mitre.org
  - url: 'http://www.securityfocus.com/bid/13'
    label: cve@mitre.org
  - url: 'http://www.cert.org/advisories/CA-1990-08.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.iss.net/security_center/static/3164.php'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.securityfocus.com/bid/13'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00418
epssPercentile: 0.35757
ingestedAt: '2026-06-19T03:39:00.674Z'
---

## Overview

/usr/sbin/Mail on SGI IRIX 3.3 and 3.3.1 does not properly set the group ID to the group ID of the user who started Mail, which allows local users to read the mail of other users.

## Remediation

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