Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-1999-0122 — Improper Restriction of Operations within the Bounds of a Memory Buffer in IBM AIX

5 documents5 sources
Severity
7.2HIGHNVD
EPSS
8.1%
top 7.83%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
1
IBM AIX
Timeline
PublishedJul 21
Latest updateApr 16

Description

Buffer overflow in AIX lchangelv gives root access.

CVSS vector

AV:L/AC:L/C:C/I:C/A:CExploitability: 3.9 | Impact: 10.0

Affected Packages1 packages

▶NVDibm/aix7 versions+6

🔴Vulnerability Details

3
VulDB
IBM AIX up to 4.2 lchangelv memory corruption (EDB-19309)↗2026-04-16
▶
GHSA
GHSA-ccc7-4g5p-rggh: Buffer overflow in AIX lchangelv gives root access↗2022-04-30
▶
CVEList
CVE-1999-0122: Buffer overflow in AIX lchangelv gives root access↗1999-09-29
▶

💥Exploits & PoCs

1
Exploit-DB
IBM AIX 4.2 - '/usr/sbin/lchangelv' Local Buffer Overflow↗1997-07-21
▶
CVE-1999-0122 — IBM AIX vulnerability | cvebase