Buffer overflow in BNU UUCP daemon (uucpd) through long hostnames.
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.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.6 | 2.0 | MEDIUM |
|
3.9 | 6.4 | [email protected] |
| 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 |
| 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:*:*:*:*:*:*:* |