run-mozilla.sh in Thunderbird, with debugging enabled, allows local users to create or overwrite arbitrary files via a symlink attack on temporary files.
Conclusion & alert: CVE-2005-2353 is rated Low Risk (15.9/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.29%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.
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 | 0.08% | 0.29% | +0.21% |
| 2 | 2025-03-17 | 0.04% | 0.08% | +0.04% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2005-2353 not yet assigned priority: Debian including 2 source packages (firefox, thunderbird), 6 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 6. | https://security-tracker.debian.org/tracker/CVE-2005-2353 |
ubuntu
|
medium | CVE-2005-2353 medium priority: Ubuntu including 6 source packages (firefox, firefox-granparadiso, lightning-sunbird, midbrowser, mozilla-thunderbird, xulrunner), 24 status rows across 4 suites (dapper, edgy, feisty, upstream): DNE 10, released 8, needs-triage 6. | https://ubuntu.com/security/CVE-2005-2353 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mozilla | thunderbird | 1.5.0.9 | cpe:2.3:a:mozilla:thunderbird:1.5.0.9:*:*:*:*:*:*:* |