Stack-based buffer overflow in the DCE/RPC preprocessor in Snort before 2.6.1.3, and 2.7 before beta 2; and Sourcefire Intrusion Sensor; allows remote attackers to execute arbitrary code via crafted SMB traffic.
Conclusion & alert: CVE-2006-5276 is rated High Exploit Risk (84.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 79.32%, 100th percentile). Core evidence: 4 public exploit reference(s) are indexed (Exploit-DB). 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.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 18723 | exploit_db | edb | 2012-04-09 | Exploit-DB ↗ |
| 3609 | exploit_db | edb | 2007-03-30 | Exploit-DB ↗ |
| 3391 | exploit_db | edb | 2007-03-01 | Exploit-DB ↗ |
| 3362 | exploit_db | edb | 2007-02-23 | Exploit-DB ↗ |
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 | 88.16% | 79.32% | -8.84% |
| 2 | 2026-01-23 | 88.04% | 88.16% | +0.12% |
| 3 | 2025-12-01 | — | 88.04% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
high | CVE-2006-5276: 1 GLSA(s) (200703-01), 1 atom(s) (net-analyzer/snort); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2006-5276 |
ubuntu
|
medium | CVE-2006-5276 medium priority: Ubuntu including 1 source packages (snort), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. | https://ubuntu.com/security/CVE-2006-5276 |
: All affected Sourcefire Intrustion Sensor products are only vulnerable if they are used with SEUs prior to SEU 64.
: Upgrade to the latest version of Snort (2.6.1.3 or later), available from the Snort Web site.
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| snort | snort | <= 2.6.1.2 | cpe:2.3:a:snort:snort:*:*:*:*:*:*:*:* |
| snort | snort | 2.6.1 | cpe:2.3:a:snort:snort:2.6.1:*:*:*:*:*:*:* |
| snort | snort | 2.6.1.1 | cpe:2.3:a:snort:snort:2.6.1.1:*:*:*:*:*:*:* |
| snort | snort | 2.7_beta1 | cpe:2.3:a:snort:snort:2.7_beta1:*:*:*:*:*:*:* |
| sourcefire | intrusion_sensor | 4.1 | cpe:2.3:a:sourcefire:intrusion_sensor:4.1:*:*:*:*:*:*:* |
| sourcefire | intrusion_sensor | 4.1 | cpe:2.3:a:sourcefire:intrusion_sensor:4.1:*:crossbeam:*:*:*:*:* |
| sourcefire | intrusion_sensor | 4.5 | cpe:2.3:a:sourcefire:intrusion_sensor:4.5:*:*:*:*:*:*:* |
| sourcefire | intrusion_sensor | 4.5 | cpe:2.3:a:sourcefire:intrusion_sensor:4.5:*:crossbeam:*:*:*:*:* |
| sourcefire | intrusion_sensor | 4.6 | cpe:2.3:a:sourcefire:intrusion_sensor:4.6:*:*:*:*:*:*:* |
| sourcefire | intrusion_sensor | 4.6 | cpe:2.3:a:sourcefire:intrusion_sensor:4.6:*:crossbeam:*:*:*:*:* |