Bugzilla 2.19.3 through 2.20 does not properly handle "//" sequences in URLs when redirecting a user from the login form, which could cause it to generate a partial URL in a form action that causes the user's browser to send the form data to another domain.
Conclusion & alert: CVE-2006-0916 is rated Moderate Risk (52.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.18%). 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 | 0.74% | 1.18% | +0.43% |
| 2 | 2025-03-30 | 1.11% | 0.74% | -0.37% |
| 3 | 2025-03-29 | — | 1.11% | — |
Full EPSS history (7 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 |
|---|---|---|---|
ubuntu
|
medium | CVE-2006-0916 medium priority: Ubuntu including 1 source packages (bugzilla), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): not-affected 7, ignored 1, released 1. | https://ubuntu.com/security/CVE-2006-0916 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mozilla | bugzilla | 2.19.3 | cpe:2.3:a:mozilla:bugzilla:2.19.3:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.20 | cpe:2.3:a:mozilla:bugzilla:2.20:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.20 | cpe:2.3:a:mozilla:bugzilla:2.20:rc1:*:*:*:*:*:* |
| mozilla | bugzilla | 2.20 | cpe:2.3:a:mozilla:bugzilla:2.20:rc2:*:*:*:*:*:* |
| mozilla | bugzilla | 2.21 | cpe:2.3:a:mozilla:bugzilla:2.21:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.21.1 | cpe:2.3:a:mozilla:bugzilla:2.21.1:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.21.2 | cpe:2.3:a:mozilla:bugzilla:2.21.2:*:*:*:*:*:*:* |