The shadow database feature (syncshadowdb) in Bugzilla 2.9 through 2.16.10 allows local users to overwrite arbitrary files via a symlink attack on temporary files.
Conclusion & alert: CVE-2005-4534 is rated Moderate Risk (57.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.54%). 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 | 2025-03-30 | 1.66% | 1.54% | -0.12% |
| 2 | 2025-03-29 | 1.54% | 1.66% | +0.12% |
| 3 | 2025-03-19 | — | 1.54% | — |
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-2005-4534 medium priority: Ubuntu including 1 source packages (bugzilla), 5 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): not-affected 4, released 1. | https://ubuntu.com/security/CVE-2005-4534 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mozilla | bugzilla | 2.9 | cpe:2.3:a:mozilla:bugzilla:2.9:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.10 | cpe:2.3:a:mozilla:bugzilla:2.10:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.12 | cpe:2.3:a:mozilla:bugzilla:2.12:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.14 | cpe:2.3:a:mozilla:bugzilla:2.14:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.14.1 | cpe:2.3:a:mozilla:bugzilla:2.14.1:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.14.2 | cpe:2.3:a:mozilla:bugzilla:2.14.2:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.14.3 | cpe:2.3:a:mozilla:bugzilla:2.14.3:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.14.4 | cpe:2.3:a:mozilla:bugzilla:2.14.4:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.14.5 | cpe:2.3:a:mozilla:bugzilla:2.14.5:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.16 | cpe:2.3:a:mozilla:bugzilla:2.16:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.16.1 | cpe:2.3:a:mozilla:bugzilla:2.16.1:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.16.2 | cpe:2.3:a:mozilla:bugzilla:2.16.2:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.16.3 | cpe:2.3:a:mozilla:bugzilla:2.16.3:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.16.4 | cpe:2.3:a:mozilla:bugzilla:2.16.4:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.16.5 | cpe:2.3:a:mozilla:bugzilla:2.16.5:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.16.6 | cpe:2.3:a:mozilla:bugzilla:2.16.6:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.16.7 | cpe:2.3:a:mozilla:bugzilla:2.16.7:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.16.8 | cpe:2.3:a:mozilla:bugzilla:2.16.8:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.16.9 | cpe:2.3:a:mozilla:bugzilla:2.16.9:*:*:*:*:*:*:* |
| mozilla | bugzilla | 2.16.10 | cpe:2.3:a:mozilla:bugzilla:2.16.10:*:*:*:*:*:*:* |