The MEGACO dissector in Wireshark (formerly Ethereal) 0.9.14 to 0.99.6 allows remote attackers to cause a denial of service (long loop and resource consumption) via unknown vectors.
Conclusion & alert: CVE-2007-6118 is rated Moderate Risk (56.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.29%). 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 | 4.88% | 2.29% | -2.59% |
| 2 | 2025-09-12 | 5.03% | 4.88% | -0.15% |
| 3 | 2025-03-30 | — | 5.03% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2007-6118 low priority: Debian including 1 source packages (wireshark), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2007-6118 |
gentoo
|
high | CVE-2007-6118: 1 GLSA(s) (200712-23), 1 atom(s) (net-analyzer/wireshark); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-6118 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2007-6118 |
ubuntu
|
low | CVE-2007-6118 low priority: Ubuntu including 2 source packages (ethereal, wireshark), 18 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): DNE 8, ignored 4, not-affected 4, needs-triage 1, released 1. | https://ubuntu.com/security/CVE-2007-6118 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| 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 | 0.99.0 | cpe:2.3:a:ethereal_group:ethereal:0.99.0:*:*:*:*:*:*:* |
| wireshark | wireshark | 0.99 | cpe:2.3:a:wireshark:wireshark:0.99:*:*:*:*:*:*:* |
| wireshark | wireshark | 0.99.0 | cpe:2.3:a:wireshark:wireshark:0.99.0:*:*:*:*:*:*:* |
| wireshark | wireshark | 0.99.1 | cpe:2.3:a:wireshark:wireshark:0.99.1:*:*:*:*:*:*:* |
| wireshark | wireshark | 0.99.2 | cpe:2.3:a:wireshark:wireshark:0.99.2:*:*:*:*:*:*:* |
| wireshark | wireshark | 0.99.3 | cpe:2.3:a:wireshark:wireshark:0.99.3:*:*:*:*:*:*:* |
| wireshark | wireshark | 0.99.4 | cpe:2.3:a:wireshark:wireshark:0.99.4:*:*:*:*:*:*:* |
| wireshark | wireshark | 0.99.5 | cpe:2.3:a:wireshark:wireshark:0.99.5:*:*:*:*:*:*:* |
| wireshark | wireshark | 0.99.6 | cpe:2.3:a:wireshark:wireshark:0.99.6:*:*:*:*:*:*:* |