---
id: CVE-1999-0101
title: >-
  Buffer overflow in AIX and Solaris "gethostbyname" library call allows root
  access through corrupt DNS host names.
summary: >-
  Buffer overflow in AIX and Solaris "gethostbyname" library call allows root
  access through corrupt DNS host names.
severity: critical
cvss: 10
cvssVector: 'AV:N/AC:L/Au:N/C:C/I:C/A:C'
published: '1996-12-10'
updated: '2026-06-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-1999-0101'
references:
  - url: 'http://ciac.llnl.gov/ciac/bulletins/h-13.shtml'
    label: cve@mitre.org
  - url: 'http://ciac.llnl.gov/ciac/bulletins/h-13.shtml'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - exploit-available
epss: 0.07837
epssPercentile: 0.94412
ingestedAt: '2026-06-22T15:59:08.137Z'
exploitAvailable: true
exploits:
  exploitdb: true
  checkedAt: '2026-09-23T07:13:14.405Z'
---

## Overview

Buffer overflow in AIX and Solaris "gethostbyname" library call allows root access through corrupt DNS host names.

## Remediation

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