Multiple unspecified vulnerabilities in Libav before 0.8.12 allow remote attackers to have unknown impact and vectors.
Conclusion & alert: CVE-2014-3984 is rated High Risk (66.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 4.01%). 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 | 9.61% | 4.01% | -5.61% |
| 2 | 2025-11-14 | 10.16% | 9.61% | -0.55% |
| 3 | 2025-03-30 | — | 10.16% | — |
Full EPSS history (10 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 |
|---|---|---|---|
ubuntu
|
medium | CVE-2014-3984 medium priority: Ubuntu including 1 source packages (libav), 5 status rows across 5 suites (lucid, precise, saucy, trusty, upstream): released 3, DNE 1, not-affected 1. | https://ubuntu.com/security/CVE-2014-3984 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| libav | libav | <= 0.8.11 | cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:* |
| libav | libav | 0.8 | cpe:2.3:a:libav:libav:0.8:*:*:*:*:*:*:* |
| libav | libav | 0.8 | cpe:2.3:a:libav:libav:0.8:beta2:*:*:*:*:*:* |
| libav | libav | 0.8.1 | cpe:2.3:a:libav:libav:0.8.1:*:*:*:*:*:*:* |
| libav | libav | 0.8.2 | cpe:2.3:a:libav:libav:0.8.2:*:*:*:*:*:*:* |
| libav | libav | 0.8.3 | cpe:2.3:a:libav:libav:0.8.3:*:*:*:*:*:*:* |
| libav | libav | 0.8.4 | cpe:2.3:a:libav:libav:0.8.4:*:*:*:*:*:*:* |
| libav | libav | 0.8.5 | cpe:2.3:a:libav:libav:0.8.5:*:*:*:*:*:*:* |
| libav | libav | 0.8.6 | cpe:2.3:a:libav:libav:0.8.6:*:*:*:*:*:*:* |
| libav | libav | 0.8.7 | cpe:2.3:a:libav:libav:0.8.7:*:*:*:*:*:*:* |
| libav | libav | 0.8.8 | cpe:2.3:a:libav:libav:0.8.8:*:*:*:*:*:*:* |
| libav | libav | 0.8.9 | cpe:2.3:a:libav:libav:0.8.9:*:*:*:*:*:*:* |
| libav | libav | 0.8.10 | cpe:2.3:a:libav:libav:0.8.10:*:*:*:*:*:*:* |