Format string vulnerability in HydraIRC 0.3.151 allows remote attackers to cause a denial of service via format string specifiers in certain data related to failed DCC file transfer negotiation.
Conclusion & alert: CVE-2007-3836 is rated Moderate Risk (57.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.82%). 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 | 2026-03-05 | 0.67% | 0.82% | +0.15% |
| 2 | 2025-08-11 | 0.62% | 0.67% | +0.06% |
| 3 | 2025-03-30 | — | 0.62% | — |
Full EPSS history (11 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] |