Multiple unspecified vulnerabilities in Ethereal 0.9.x up to 0.10.14 allow remote attackers to cause a denial of service (crash from null dereference) via (1) an invalid display filter, or the (2) GSM SMS, (3) ASN.1-based, (4) DCERPC NT, (5) PER, (6) RPC, (7) DCERPC, and (8) ASN.1 dissectors.
Conclusion & alert: CVE-2006-1939 is rated Moderate Risk (48.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.64%). Mandatory action: Review affected assets and schedule 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 | 3.22% | 2.64% | -0.59% |
| 2 | 2025-05-19 | 3.35% | 3.22% | -0.13% |
| 3 | 2025-03-30 | — | 3.35% | — |
Full EPSS history (8 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 |
|---|---|---|---|
alpine
|
— | CVE-2006-1939: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. | https://security.alpinelinux.org/vuln/CVE-2006-1939 |
gentoo
|
high | CVE-2006-1939: 1 GLSA(s) (200604-17), 1 atom(s) (net-analyzer/ethereal); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2006-1939 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2006-1939 |
ubuntu
|
medium | CVE-2006-1939 medium priority: Ubuntu including 2 source packages (ethereal, wireshark), 8 status rows across 4 suites (dapper, edgy, feisty, upstream): DNE 3, released 3, needs-triage 2. | https://ubuntu.com/security/CVE-2006-1939 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ethereal_group | ethereal | 0.9 | cpe:2.3:a:ethereal_group:ethereal:0.9:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.0 | cpe:2.3:a:ethereal_group:ethereal:0.9.0:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.1 | cpe:2.3:a:ethereal_group:ethereal:0.9.1:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.2 | cpe:2.3:a:ethereal_group:ethereal:0.9.2:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.3 | cpe:2.3:a:ethereal_group:ethereal:0.9.3:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.4 | cpe:2.3:a:ethereal_group:ethereal:0.9.4:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.5 | cpe:2.3:a:ethereal_group:ethereal:0.9.5:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.6 | cpe:2.3:a:ethereal_group:ethereal:0.9.6:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.7 | cpe:2.3:a:ethereal_group:ethereal:0.9.7:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.8 | cpe:2.3:a:ethereal_group:ethereal:0.9.8:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.9 | cpe:2.3:a:ethereal_group:ethereal:0.9.9:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.10 | cpe:2.3:a:ethereal_group:ethereal:0.9.10:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.11 | cpe:2.3:a:ethereal_group:ethereal:0.9.11:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.12 | cpe:2.3:a:ethereal_group:ethereal:0.9.12:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.13 | cpe:2.3:a:ethereal_group:ethereal:0.9.13:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.14 | cpe:2.3:a:ethereal_group:ethereal:0.9.14:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.15 | cpe:2.3:a:ethereal_group:ethereal:0.9.15:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9.16 | cpe:2.3:a:ethereal_group:ethereal:0.9.16:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.9_.0 | cpe:2.3:a:ethereal_group:ethereal:0.9_.0:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10 | cpe:2.3:a:ethereal_group:ethereal:0.10:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.0 | cpe:2.3:a:ethereal_group:ethereal:0.10.0:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.0a | cpe:2.3:a:ethereal_group:ethereal:0.10.0a:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.1 | cpe:2.3:a:ethereal_group:ethereal:0.10.1:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.2 | cpe:2.3:a:ethereal_group:ethereal:0.10.2:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.3 | cpe:2.3:a:ethereal_group:ethereal:0.10.3:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.4 | cpe:2.3:a:ethereal_group:ethereal:0.10.4:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.5 | cpe:2.3:a:ethereal_group:ethereal:0.10.5:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.6 | cpe:2.3:a:ethereal_group:ethereal:0.10.6:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.7 | cpe:2.3:a:ethereal_group:ethereal:0.10.7:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.8 | cpe:2.3:a:ethereal_group:ethereal:0.10.8:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.9 | cpe:2.3:a:ethereal_group:ethereal:0.10.9:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.10 | cpe:2.3:a:ethereal_group:ethereal:0.10.10:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.11 | cpe:2.3:a:ethereal_group:ethereal:0.10.11:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.12 | cpe:2.3:a:ethereal_group:ethereal:0.10.12:*:*:*:*:*:*:* |
| ethereal_group | ethereal | 0.10.13 | cpe:2.3:a:ethereal_group:ethereal:0.10.13:*:*:*:*:*:*:* |