CVE-1999-0101

Exp

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

Published: 1996-12-10 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-0101 is rated High Exploit Risk (92.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 7.90%, 94th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +4.65% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-1999-0101

EDB-ID Source Kind Published Link
22251 exploit_db edb 2006-09-28 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-1999-0101

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 3.25% 7.90% +4.65%
2 2026-05-23 3.86% 3.25% -0.61%
3 2026-01-24 3.86%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0101

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-1999-0101

OS Trackers for CVE-1999-0101

vendor priority summary link
alpine CVE-1999-0101: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0101

Affected software / configurations for CVE-1999-0101

Vendor Product Version Raw CPE
ibm aix 3.2 cpe:2.3:o:ibm:aix:3.2:*:*:*:*:*:*:*
ibm aix 4.1 cpe:2.3:o:ibm:aix:4.1:*:*:*:*:*:*:*
ibm aix 4.2 cpe:2.3:o:ibm:aix:4.2:*:*:*:*:*:*:*

References for CVE-1999-0101

cvelogic Threat Intelligence