Integer underflow in Ettercap 0.8.1 allows remote attackers to cause a denial of service (out-of-bounds write) and possibly execute arbitrary code via a small (1) size variable value in the dissector_dhcp function in dissectors/ec_dhcp.c, (2) length value to the dissector_gg function in dissectors/ec_gg.c, or (3) string length to the get_decode_len function in ec_utils.c or a request without a (4) username or (5) password to the dissector_TN3270 function in dissectors/ec_TN3270.c.
Conclusion & alert: CVE-2014-9376 is rated Moderate Risk (62.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.13%). Core evidence: EPSS rose +1.03% over the last day, indicating growing attacker interest. 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 | 3.10% | 4.13% | +1.03% |
| 2 | 2025-04-10 | 2.43% | 3.10% | +0.66% |
| 3 | 2025-03-30 | — | 2.43% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-9376 not yet assigned priority: Debian including 1 source packages (ettercap), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2014-9376 |
gentoo
|
normal | CVE-2014-9376: 1 GLSA(s) (201505-01), 1 atom(s) (net-analyzer/ettercap); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-9376 |
ubuntu
|
medium | CVE-2014-9376 medium priority: Ubuntu including 1 source packages (ettercap), 14 status rows across 14 suites (artful, bionic, cosmic, disco, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 9, ignored 3, DNE 1, released 1. | https://ubuntu.com/security/CVE-2014-9376 |
: <a href="http://cwe.mitre.org/data/definitions/191.html">CWE-191: Integer Underflow (Wrap or Wraparound)</a>
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ettercap-project | ettercap | 0.8.1 | cpe:2.3:a:ettercap-project:ettercap:0.8.1:*:*:*:*:*:*:* |