---
id: CVE-1999-0022
title: >-
  Local user gains root privileges via buffer overflow in rdist, via expstr()
  function.
summary: >-
  Local user gains root privileges via buffer overflow in rdist, via expstr()
  function.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-125
published: '1996-07-03'
updated: '2026-06-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-1999-0022'
references:
  - url: 'http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/179'
    label: cve@mitre.org
  - url: 'http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/179'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00491
epssPercentile: 0.41286
ingestedAt: '2026-06-22T15:59:08.081Z'
---

## Overview

Local user gains root privileges via buffer overflow in rdist, via expstr() function.

## Remediation

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