Samba 3.0.6 and earlier allows remote attackers to cause a denial of service (infinite loop and memory exhaustion) via certain malformed requests that cause new processes to be spawned and enter an infinite loop.
Conclusion & alert: CVE-2004-0807 is rated Moderate Risk (47.8/100): CVSS Medium severity, with high exploitation likelihood (EPSS 5.50%, 92th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
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 | 2026-06-15 | 9.85% | 5.50% | -4.35% |
| 2 | 2025-03-30 | 8.91% | 9.85% | +0.94% |
| 3 | 2025-03-29 | — | 8.91% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2004-0807 not yet assigned priority: Debian including 1 source packages (samba), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2004-0807 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2004-0807 |
ubuntu
|
medium | CVE-2004-0807 medium priority: Ubuntu including 1 source packages (samba), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. | https://ubuntu.com/security/CVE-2004-0807 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| samba | samba | 3.0.0 | cpe:2.3:a:samba:samba:3.0.0:*:*:*:*:*:*:* |
| samba | samba | 3.0.1 | cpe:2.3:a:samba:samba:3.0.1:*:*:*:*:*:*:* |
| samba | samba | 3.0.2 | cpe:2.3:a:samba:samba:3.0.2:*:*:*:*:*:*:* |
| samba | samba | 3.0.2a | cpe:2.3:a:samba:samba:3.0.2a:*:*:*:*:*:*:* |
| samba | samba | 3.0.3 | cpe:2.3:a:samba:samba:3.0.3:*:*:*:*:*:*:* |
| samba | samba | 3.0.4 | cpe:2.3:a:samba:samba:3.0.4:*:*:*:*:*:*:* |
| samba | samba | 3.0.4 | cpe:2.3:a:samba:samba:3.0.4:rc1:*:*:*:*:*:* |
| samba | samba | 3.0.5 | cpe:2.3:a:samba:samba:3.0.5:*:*:*:*:*:*:* |
| samba | samba | 3.0.6 | cpe:2.3:a:samba:samba:3.0.6:*:*:*:*:*:*:* |
| sgi | samba | 3.0 | cpe:2.3:a:sgi:samba:3.0:*:irix:*:*:*:*:* |
| sgi | samba | 3.0.1 | cpe:2.3:a:sgi:samba:3.0.1:*:irix:*:*:*:*:* |
| sgi | samba | 3.0.2 | cpe:2.3:a:sgi:samba:3.0.2:*:irix:*:*:*:*:* |
| sgi | samba | 3.0.3 | cpe:2.3:a:sgi:samba:3.0.3:*:irix:*:*:*:*:* |
| sgi | samba | 3.0.4 | cpe:2.3:a:sgi:samba:3.0.4:*:irix:*:*:*:*:* |
| sgi | samba | 3.0.5 | cpe:2.3:a:sgi:samba:3.0.5:*:irix:*:*:*:*:* |
| sgi | samba | 3.0.6 | cpe:2.3:a:sgi:samba:3.0.6:*:irix:*:*:*:*:* |
| conectiva | linux | 9.0 | cpe:2.3:o:conectiva:linux:9.0:*:*:*:*:*:*:* |
| conectiva | linux | 10.0 | cpe:2.3:o:conectiva:linux:10.0:*:*:*:*:*:*:* |
| mandrakesoft | mandrake_linux | 10.0 | cpe:2.3:o:mandrakesoft:mandrake_linux:10.0:*:*:*:*:*:*:* |
| mandrakesoft | mandrake_linux | 10.0 | cpe:2.3:o:mandrakesoft:mandrake_linux:10.0:*:amd64:*:*:*:*:* |
| suse | suse_linux | 8 | cpe:2.3:o:suse:suse_linux:8:*:enterprise_server:*:*:*:*:* |
| suse | suse_linux | 8.1 | cpe:2.3:o:suse:suse_linux:8.1:*:*:*:*:*:*:* |
| suse | suse_linux | 8.2 | cpe:2.3:o:suse:suse_linux:8.2:*:*:*:*:*:*:* |
| suse | suse_linux | 9.0 | cpe:2.3:o:suse:suse_linux:9.0:*:*:*:*:*:*:* |
| suse | suse_linux | 9.0 | cpe:2.3:o:suse:suse_linux:9.0:*:enterprise_server:*:*:*:*:* |
| suse | suse_linux | 9.0 | cpe:2.3:o:suse:suse_linux:9.0:*:x86_64:*:*:*:*:* |
| suse | suse_linux | 9.1 | cpe:2.3:o:suse:suse_linux:9.1:*:*:*:*:*:*:* |