CVE-1999-0055

IBM AIX and Sun Solaris - Buffer Overflow in libnsl

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0055. PoCs published by HORKimhab.

AI-analyzed exploit summary The repository contains a placeholder markdown file for CVE-1999-0055, describing a buffer overflow in Sun libnsl that could allow root access. However, no functional exploit code, technical analysis, or proof-of-concept details are provided.

Description

Buffer overflows in Sun libnsl allow root access.

Exploits (1)

github STUB
by HORKimhab · shellpoc
https://github.com/HORKimhab/poc-cve-collection/tree/main/1999/0xxx/CVE-1999-0055.md

The repository contains a placeholder markdown file for CVE-1999-0055, describing a buffer overflow in Sun libnsl that could allow root access. However, no functional exploit code, technical analysis, or proof-of-concept details are provided.

Classification
Stub 99%
Attack Type
Lpe
Complexity
Unknown
Reliability
Theoretical
Target: Sun libnsl (unspecified versions)
No auth needed
Prerequisites: Access to a vulnerable Sun system with libnsl
mistral-large-3 · analyzed Jul 14, 2026 Full analysis →

References (2)

Core 2
Core References
Various Sources vendor-advisory x_refsource_aixapar
http://www-1.ibm.com/support/search.wss?rs=0&q=IX80543&apar=only
Vendor Advisory vendor-advisory x_refsource_sun
http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/172

Scores

EPSS 0.0045
EPSS Percentile 36.3%

Details

Status published
Products (15)
ibm/aix 4.2
ibm/aix 4.2.1
ibm/aix 4.3
ibm/aix 4.3.1
ibm/aix 4.3.2
sun/solaris 2.4
sun/solaris 2.5
sun/solaris 2.5.1 (2 CPE variants)
sun/solaris 2.6
sun/sunos
... and 5 more
Published May 14, 1998
Tracked Since Feb 18, 2026