CVE-1999-0303

Buffer overflow in BNU UUCP daemon (uucpd) through long hostnames.

Published: 1998-05-21 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-0303 is rated Low Risk (23.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.06%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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

Exploit prediction scoring system (EPSS) score for CVE-1999-0303

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 2025-03-17 0.04% 0.06% +0.01%
2 2024-02-08 0.05% 0.04% -0.01%
3 2023-03-07 0.05%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0303

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
3.9 6.4 [email protected]

Weakness enumeration for CVE-1999-0303

OS Trackers for CVE-1999-0303

vendor priority summary link
alpine CVE-1999-0303: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0303

Affected software / configurations for CVE-1999-0303

Vendor Product Version Raw CPE
digital osf_1 1.1 cpe:2.3:o:digital:osf_1:1.1:*:*:*:*:*:*:*
netbsd netbsd 1.3 cpe:2.3:o:netbsd:netbsd:1.3:*:*:*:*:*:*:*
netbsd netbsd 1.3.1 cpe:2.3:o:netbsd:netbsd:1.3.1:*:*:*:*:*:*:*
openbsd openbsd 2.1 cpe:2.3:o:openbsd:openbsd:2.1:*:*:*:*:*:*:*
openbsd openbsd 2.2 cpe:2.3:o:openbsd:openbsd:2.2:*:*:*:*:*:*:*
sun solaris cpe:2.3:o:sun:solaris:*:*:x86:*:*:*:*:*
sun solaris 1.1.3 cpe:2.3:o:sun:solaris:1.1.3:u1:*:*:*:*:*:*
sun solaris 1.1.4 cpe:2.3:o:sun:solaris:1.1.4:*:jl:*:*:*:*:*
sun solaris 2.4 cpe:2.3:o:sun:solaris:2.4:*:x86:*:*:*:*:*
sun solaris 2.5 cpe:2.3:o:sun:solaris:2.5:*:x86:*:*:*:*:*
sun sunos cpe:2.3:o:sun:sunos:-:*:*:*:*:*:*:*
sun sunos 4.1.3 cpe:2.3:o:sun:sunos:4.1.3:*:*:*:*:*:*:*
sun sunos 4.1.4 cpe:2.3:o:sun:sunos:4.1.4:*:*:*:*:*:*:*
sun sunos 5.0 cpe:2.3:o:sun:sunos:5.0:*:*:*:*:*:*:*
sun sunos 5.1 cpe:2.3:o:sun:sunos:5.1:*:*:*:*:*:*:*
sun sunos 5.2 cpe:2.3:o:sun:sunos:5.2:*:*:*:*:*:*:*
sun sunos 5.3 cpe:2.3:o:sun:sunos:5.3:*:*:*:*:*:*:*
sun sunos 5.4 cpe:2.3:o:sun:sunos:5.4:*:*:*:*:*:*:*
sun sunos 5.5 cpe:2.3:o:sun:sunos:5.5:*:*:*:*:*:*:*
sun sunos 5.5.1 cpe:2.3:o:sun:sunos:5.5.1:*:*:*:*:*:*:*

References for CVE-1999-0303

cvelogic Threat Intelligence